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specialization_with_symbolic_rewrite.carbon

specialization_with_symbolic_rewrite.carbon 99 KB
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  1. // Part of the Carbon Language project, under the Apache License v2.0 with LLVM
    2. 

  2. // Exceptions. See /LICENSE for license information.
    3. 

  3. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
    4. 

  4. //
    5. 

  5. // INCLUDE-FILE: toolchain/testing/testdata/min_prelude/facet_types.carbon
    6. 

  6. // TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
    7. 

  7. // EXTRA-ARGS: --dump-sem-ir-ranges=if-present
    8. 

  8. //
    9. 

  9. // AUTOUPDATE
    10. 

  10. // TIP: To test this file alone, run:
    11. 

  11. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/lookup/specialization_with_symbolic_rewrite.carbon
    12. 

  12. // TIP: To dump output, run:
    13. 

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/lookup/specialization_with_symbolic_rewrite.carbon
    14. 

  14. 

  15. // --- final_specialized_symbolic_rewrite.carbon
    16. 

  16. library "[[@TEST_NAME]]";
    17. 

  17. 

  18. interface Z(T:! type) {
    19. 

  19.   let X:! type;
    20. 

  20. }
    21. 

  21. 

  22. class C {}
    23. 

  23. 

  24. impl forall [T:! type, S:! type] T as Z(S) where .X = () {}
    25. 

  25. 

  26. final impl forall [T:! type] T as Z(C) where .X = T {}
    27. 

  27. 

  28. fn F(T:! Z(C), t: T) {
    29. 

  29.   // This should typecheck, the `final impl` should give the same `T`.
    30. 

  30.   let a: T.X = t;
    31. 

  31. }
    32. 

  32. 

  33. // --- fail_nonfinal_specialized_symbolic_rewrite.carbon
    34. 

  34. library "[[@TEST_NAME]]";
    35. 

  35. 

  36. interface Z(T:! type) {
    37. 

  37.   let X:! type;
    38. 

  38. }
    39. 

  39. interface Y {}
    40. 

  40. 

  41. class C {}
    42. 

  42. 

  43. impl forall [T:! type, S:! type] T as Z(S) where .X = () {}
    44. 

  44. 

  45. impl forall [T:! type] T as Z(C) where .X = T {}
    46. 

  46. 

  47. fn F(T:! Z(C), t: T) {
    48. 

  48.   // CHECK:STDERR: fail_nonfinal_specialized_symbolic_rewrite.carbon:[[@LINE+7]]:16: error: cannot implicitly convert expression of type `T` to `T.(Z(C).X)` [ConversionFailure]
    49. 

  49.   // CHECK:STDERR:   let a: T.X = t;
    50. 

  50.   // CHECK:STDERR:                ^
    51. 

  51.   // CHECK:STDERR: fail_nonfinal_specialized_symbolic_rewrite.carbon:[[@LINE+4]]:16: note: type `T` does not implement interface `Core.ImplicitAs(T.(Z(C).X))` [MissingImplInMemberAccessNote]
    52. 

  52.   // CHECK:STDERR:   let a: T.X = t;
    53. 

  53.   // CHECK:STDERR:                ^
    54. 

  54.   // CHECK:STDERR:
    55. 

  55.   let a: T.X = t;
    56. 

  56. }
    57. 

  57. 

  58. // --- final_impl_rewrite_of_symbolic_through_impl_lookup.carbon
    59. 

  59. library "[[@TEST_NAME]]";
    60. 

  60. 

  61. interface Ptr {
    62. 

  62.   let Type:! type;
    63. 

  63. }
    64. 

  64. 

  65. final impl forall [U:! type] U as Ptr where .Type = U* {}
    66. 

  66. 

  67. fn F[T:! type](var t: T) -> T.(Ptr.Type) {
    68. 

  68.   return &t;
    69. 

  69. }
    70. 

  70. 

  71. // --- final_impl_rewrite_of_symbolic_through_facet_access_type.carbon
    72. 

  72. library "[[@TEST_NAME]]";
    73. 

  73. 

  74. interface Ptr {
    75. 

  75.   let Type:! type;
    76. 

  76. }
    77. 

  77. 

  78. final impl forall [U:! type] U as Ptr where .Type = U* {}
    79. 

  79. 

  80. fn F[T:! Ptr](var t: T) -> T.Type {
    81. 

  81.   return &t;
    82. 

  82. }
    83. 

  83. 

  84. // --- final_impl_rewrite_of_symbolic_through_facet_value.carbon
    85. 

  85. library "[[@TEST_NAME]]";
    86. 

  86. 

  87. interface Ptr {
    88. 

  88.   let Type:! type;
    89. 

  89. }
    90. 

  90. 

  91. final impl forall [U:! type] U as Ptr where .Type = U* {}
    92. 

  92. 

  93. fn F[T:! Ptr](var t: T) -> T.(Ptr.Type) {
    94. 

  94.   return &t;
    95. 

  95. }
    96. 

  96. 

  97. // CHECK:STDOUT: --- final_specialized_symbolic_rewrite.carbon
    98. 

  98. // CHECK:STDOUT:
    99. 

  99. // CHECK:STDOUT: constants {
    100. 

  100. // CHECK:STDOUT:   %.Self.644: type = bind_symbolic_name .Self [symbolic_self]
    101. 

  101. // CHECK:STDOUT:   %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
    102. 

  102. // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
    103. 

  103. // CHECK:STDOUT:   %Z.type.9fb: type = generic_interface_type @Z [concrete]
    104. 

  104. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    105. 

  105. // CHECK:STDOUT:   %Z.generic: %Z.type.9fb = struct_value () [concrete]
    106. 

  106. // CHECK:STDOUT:   %Z.type.a61: type = facet_type <@Z, @Z(%T.8b3)> [symbolic]
    107. 

  107. // CHECK:STDOUT:   %Self.2bc: %Z.type.a61 = bind_symbolic_name Self, 1 [symbolic]
    108. 

  108. // CHECK:STDOUT:   %Z.assoc_type.26e: type = assoc_entity_type @Z, @Z(%T.8b3) [symbolic]
    109. 

  109. // CHECK:STDOUT:   %assoc0.1cd: %Z.assoc_type.26e = assoc_entity element0, @Z.%X [symbolic]
    110. 

  110. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    111. 

  111. // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
    112. 

  112. // CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
    113. 

  113. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness @C.%Destroy.impl_witness_table [concrete]
    114. 

  114. // CHECK:STDOUT:   %ptr.019: type = ptr_type %C [concrete]
    115. 

  115. // CHECK:STDOUT:   %pattern_type.44a: type = pattern_type %ptr.019 [concrete]
    116. 

  116. // CHECK:STDOUT:   %C.as.Destroy.impl.Op.type: type = fn_type @C.as.Destroy.impl.Op [concrete]
    117. 

  117. // CHECK:STDOUT:   %C.as.Destroy.impl.Op: %C.as.Destroy.impl.Op.type = struct_value () [concrete]
    118. 

  118. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    119. 

  119. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    120. 

  120. // CHECK:STDOUT:   %S: type = bind_symbolic_name S, 1 [symbolic]
    121. 

  121. // CHECK:STDOUT:   %Z.type.8e9: type = facet_type <@Z, @Z(%S)> [symbolic]
    122. 

  122. // CHECK:STDOUT:   %.Self.eb1: %Z.type.8e9 = bind_symbolic_name .Self [symbolic]
    123. 

  123. // CHECK:STDOUT:   %Self.831: %Z.type.8e9 = bind_symbolic_name Self, 1 [symbolic]
    124. 

  124. // CHECK:STDOUT:   %Z.assoc_type.0e7: type = assoc_entity_type @Z, @Z(%S) [symbolic]
    125. 

  125. // CHECK:STDOUT:   %assoc0.abb: %Z.assoc_type.0e7 = assoc_entity element0, @Z.%X [symbolic]
    126. 

  126. // CHECK:STDOUT:   %require_complete.b87: <witness> = require_complete_type %Z.type.8e9 [symbolic]
    127. 

  127. // CHECK:STDOUT:   %.Self.as_type.ffd: type = facet_access_type %.Self.eb1 [symbolic]
    128. 

  128. // CHECK:STDOUT:   %Z.lookup_impl_witness.597: <witness> = lookup_impl_witness %.Self.eb1, @Z, @Z(%S) [symbolic]
    129. 

  129. // CHECK:STDOUT:   %Z.facet.4f7: %Z.type.8e9 = facet_value %.Self.as_type.ffd, (%Z.lookup_impl_witness.597) [symbolic]
    130. 

  130. // CHECK:STDOUT:   %impl.elem0.240: type = impl_witness_access %Z.lookup_impl_witness.597, element0 [symbolic]
    131. 

  131. // CHECK:STDOUT:   %Z_where.type.80d: type = facet_type <@Z, @Z(%S) where %impl.elem0.240 = %empty_tuple.type> [symbolic]
    132. 

  132. // CHECK:STDOUT:   %require_complete.9ea: <witness> = require_complete_type %Z_where.type.80d [symbolic]
    133. 

  133. // CHECK:STDOUT:   %Z.impl_witness.d59: <witness> = impl_witness file.%Z.impl_witness_table.loc9, @T.as.Z.impl.119(%T.8b3, %S) [symbolic]
    134. 

  134. // CHECK:STDOUT:   %Z.type.049: type = facet_type <@Z, @Z(%C)> [concrete]
    135. 

  135. // CHECK:STDOUT:   %.Self.3c5: %Z.type.049 = bind_symbolic_name .Self [symbolic_self]
    136. 

  136. // CHECK:STDOUT:   %Self.a38: %Z.type.049 = bind_symbolic_name Self, 1 [symbolic]
    137. 

  137. // CHECK:STDOUT:   %Z.assoc_type.252: type = assoc_entity_type @Z, @Z(%C) [concrete]
    138. 

  138. // CHECK:STDOUT:   %assoc0.ea4: %Z.assoc_type.252 = assoc_entity element0, @Z.%X [concrete]
    139. 

  139. // CHECK:STDOUT:   %.Self.as_type.c3c: type = facet_access_type %.Self.3c5 [symbolic_self]
    140. 

  140. // CHECK:STDOUT:   %Z.lookup_impl_witness.9cc: <witness> = lookup_impl_witness %.Self.3c5, @Z, @Z(%C) [symbolic_self]
    141. 

  141. // CHECK:STDOUT:   %Z.facet.eb4: %Z.type.049 = facet_value %.Self.as_type.c3c, (%Z.lookup_impl_witness.9cc) [symbolic_self]
    142. 

  142. // CHECK:STDOUT:   %impl.elem0.e29: type = impl_witness_access %Z.lookup_impl_witness.9cc, element0 [symbolic_self]
    143. 

  143. // CHECK:STDOUT:   %Z_where.type.692: type = facet_type <@Z, @Z(%C) where %impl.elem0.e29 = %T.8b3> [symbolic]
    144. 

  144. // CHECK:STDOUT:   %require_complete.202: <witness> = require_complete_type %Z_where.type.692 [symbolic]
    145. 

  145. // CHECK:STDOUT:   %Z.impl_witness.093: <witness> = impl_witness file.%Z.impl_witness_table.loc11, @T.as.Z.impl.62c(%T.8b3) [symbolic]
    146. 

  146. // CHECK:STDOUT:   %T.62d: %Z.type.049 = bind_symbolic_name T, 0 [symbolic]
    147. 

  147. // CHECK:STDOUT:   %pattern_type.c1f: type = pattern_type %Z.type.049 [concrete]
    148. 

  148. // CHECK:STDOUT:   %T.as_type: type = facet_access_type %T.62d [symbolic]
    149. 

  149. // CHECK:STDOUT:   %pattern_type.d8b: type = pattern_type %T.as_type [symbolic]
    150. 

  150. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    151. 

  151. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    152. 

  152. // CHECK:STDOUT:   %require_complete.2b1: <witness> = require_complete_type %T.as_type [symbolic]
    153. 

  153. // CHECK:STDOUT:   %Z_where.type.272: type = facet_type <@Z, @Z(%C) where %impl.elem0.e29 = %T.as_type> [symbolic]
    154. 

  154. // CHECK:STDOUT:   %require_complete.915: <witness> = require_complete_type %Z_where.type.272 [symbolic]
    155. 

  155. // CHECK:STDOUT:   %Z.impl_witness.7c2: <witness> = impl_witness file.%Z.impl_witness_table.loc11, @T.as.Z.impl.62c(%T.as_type) [symbolic]
    156. 

  156. // CHECK:STDOUT:   %Z.facet.2aa: %Z.type.049 = facet_value %T.as_type, (%Z.impl_witness.7c2) [symbolic]
    157. 

  157. // CHECK:STDOUT: }
    158. 

  158. // CHECK:STDOUT:
    159. 

  159. // CHECK:STDOUT: imports {
    160. 

  160. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    161. 

  161. // CHECK:STDOUT:     .Destroy = %Core.Destroy
    162. 

  162. // CHECK:STDOUT:     import Core//prelude
    163. 

  163. // CHECK:STDOUT:     import Core//prelude/...
    164. 

  164. // CHECK:STDOUT:   }
    165. 

  165. // CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
    166. 

  166. // CHECK:STDOUT: }
    167. 

  167. // CHECK:STDOUT:
    168. 

  168. // CHECK:STDOUT: file {
    169. 

  169. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    170. 

  170. // CHECK:STDOUT:     .Core = imports.%Core
    171. 

  171. // CHECK:STDOUT:     .Z = %Z.decl
    172. 

  172. // CHECK:STDOUT:     .C = %C.decl
    173. 

  173. // CHECK:STDOUT:     .F = %F.decl
    174. 

  174. // CHECK:STDOUT:   }
    175. 

  175. // CHECK:STDOUT:   %Core.import = import Core
    176. 

  176. // CHECK:STDOUT:   %Z.decl: %Z.type.9fb = interface_decl @Z [concrete = constants.%Z.generic] {
    177. 

  177. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    178. 

  178. // CHECK:STDOUT:   } {
    179. 

  179. // CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    180. 

  180. // CHECK:STDOUT:     %T.loc3_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc3_13.1 (constants.%T.8b3)]
    181. 

  181. // CHECK:STDOUT:   }
    182. 

  182. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    183. 

  183. // CHECK:STDOUT:   impl_decl @T.as.Z.impl.119 [concrete] {
    184. 

  184. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    185. 

  185. // CHECK:STDOUT:     %S.patt: %pattern_type.98f = symbolic_binding_pattern S, 1 [concrete]
    186. 

  186. // CHECK:STDOUT:   } {
    187. 

  187. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc9_14.1 [symbolic = %T.loc9_14.2 (constants.%T.8b3)]
    188. 

  188. // CHECK:STDOUT:     %Z.ref: %Z.type.9fb = name_ref Z, file.%Z.decl [concrete = constants.%Z.generic]
    189. 

  189. // CHECK:STDOUT:     %S.ref: type = name_ref S, %S.loc9_24.1 [symbolic = %S.loc9_24.2 (constants.%S)]
    190. 

  190. // CHECK:STDOUT:     %Z.type.loc9_42.1: type = facet_type <@Z, @Z(constants.%S)> [symbolic = %Z.type.loc9_42.2 (constants.%Z.type.8e9)]
    191. 

  191. // CHECK:STDOUT:     %.Self.1: @T.as.Z.impl.119.%Z.type.loc9_42.2 (%Z.type.8e9) = bind_symbolic_name .Self [symbolic = %.Self.4 (constants.%.Self.eb1)]
    192. 

  192. // CHECK:STDOUT:     %.Self.ref: @T.as.Z.impl.119.%Z.type.loc9_42.2 (%Z.type.8e9) = name_ref .Self, %.Self.1 [symbolic = %.Self.4 (constants.%.Self.eb1)]
    193. 

  193. // CHECK:STDOUT:     %.loc9_50.1: @T.as.Z.impl.119.%Z.assoc_type (%Z.assoc_type.0e7) = specific_constant @X.%assoc0, @Z(constants.%S) [symbolic = %assoc0 (constants.%assoc0.abb)]
    194. 

  194. // CHECK:STDOUT:     %X.ref: @T.as.Z.impl.119.%Z.assoc_type (%Z.assoc_type.0e7) = name_ref X, %.loc9_50.1 [symbolic = %assoc0 (constants.%assoc0.abb)]
    195. 

  195. // CHECK:STDOUT:     %.Self.as_type.loc9_50.1: type = facet_access_type %.Self.ref [symbolic = %.Self.as_type.loc9_50.2 (constants.%.Self.as_type.ffd)]
    196. 

  196. // CHECK:STDOUT:     %.loc9_50.2: type = converted %.Self.ref, %.Self.as_type.loc9_50.1 [symbolic = %.Self.as_type.loc9_50.2 (constants.%.Self.as_type.ffd)]
    197. 

  197. // CHECK:STDOUT:     %impl.elem0.loc9_50.1: type = impl_witness_access constants.%Z.lookup_impl_witness.597, element0 [symbolic = %impl.elem0.loc9_50.2 (constants.%impl.elem0.240)]
    198. 

  198. // CHECK:STDOUT:     %.loc9_56.1: %empty_tuple.type = tuple_literal ()
    199. 

  199. // CHECK:STDOUT:     %.loc9_56.2: type = converted %.loc9_56.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    200. 

  200. // CHECK:STDOUT:     %.loc9_44: type = where_expr %.Self.1 [symbolic = %Z_where.type (constants.%Z_where.type.80d)] {
    201. 

  201. // CHECK:STDOUT:       requirement_base_facet_type constants.%Z.type.8e9
    202. 

  202. // CHECK:STDOUT:       requirement_rewrite %impl.elem0.loc9_50.1, %.loc9_56.2
    203. 

  203. // CHECK:STDOUT:     }
    204. 

  204. // CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    205. 

  205. // CHECK:STDOUT:     %T.loc9_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc9_14.2 (constants.%T.8b3)]
    206. 

  206. // CHECK:STDOUT:     %.Self.3: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    207. 

  207. // CHECK:STDOUT:     %S.loc9_24.1: type = bind_symbolic_name S, 1 [symbolic = %S.loc9_24.2 (constants.%S)]
    208. 

  208. // CHECK:STDOUT:   }
    209. 

  209. // CHECK:STDOUT:   %Z.impl_witness_table.loc9 = impl_witness_table (%impl_witness_assoc_constant.loc9), @T.as.Z.impl.119 [concrete]
    210. 

  210. // CHECK:STDOUT:   %Z.impl_witness.loc9: <witness> = impl_witness %Z.impl_witness_table.loc9, @T.as.Z.impl.119(constants.%T.8b3, constants.%S) [symbolic = @T.as.Z.impl.119.%Z.impl_witness (constants.%Z.impl_witness.d59)]
    211. 

  211. // CHECK:STDOUT:   %impl_witness_assoc_constant.loc9: type = impl_witness_assoc_constant constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    212. 

  212. // CHECK:STDOUT:   impl_decl @T.as.Z.impl.62c [concrete] {
    213. 

  213. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    214. 

  214. // CHECK:STDOUT:   } {
    215. 

  215. // CHECK:STDOUT:     %T.ref.loc11_30: type = name_ref T, %T.loc11_20.1 [symbolic = %T.loc11_20.2 (constants.%T.8b3)]
    216. 

  216. // CHECK:STDOUT:     %Z.ref: %Z.type.9fb = name_ref Z, file.%Z.decl [concrete = constants.%Z.generic]
    217. 

  217. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    218. 

  218. // CHECK:STDOUT:     %Z.type: type = facet_type <@Z, @Z(constants.%C)> [concrete = constants.%Z.type.049]
    219. 

  219. // CHECK:STDOUT:     %.Self.1: %Z.type.049 = bind_symbolic_name .Self [symbolic_self = constants.%.Self.3c5]
    220. 

  220. // CHECK:STDOUT:     %.Self.ref: %Z.type.049 = name_ref .Self, %.Self.1 [symbolic_self = constants.%.Self.3c5]
    221. 

  221. // CHECK:STDOUT:     %.loc11_46.1: %Z.assoc_type.252 = specific_constant @X.%assoc0, @Z(constants.%C) [concrete = constants.%assoc0.ea4]
    222. 

  222. // CHECK:STDOUT:     %X.ref: %Z.assoc_type.252 = name_ref X, %.loc11_46.1 [concrete = constants.%assoc0.ea4]
    223. 

  223. // CHECK:STDOUT:     %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.as_type.c3c]
    224. 

  224. // CHECK:STDOUT:     %.loc11_46.2: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.as_type.c3c]
    225. 

  225. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Z.lookup_impl_witness.9cc, element0 [symbolic_self = constants.%impl.elem0.e29]
    226. 

  226. // CHECK:STDOUT:     %T.ref.loc11_51: type = name_ref T, %T.loc11_20.1 [symbolic = %T.loc11_20.2 (constants.%T.8b3)]
    227. 

  227. // CHECK:STDOUT:     %.loc11_40: type = where_expr %.Self.1 [symbolic = %Z_where.type (constants.%Z_where.type.692)] {
    228. 

  228. // CHECK:STDOUT:       requirement_base_facet_type constants.%Z.type.049
    229. 

  229. // CHECK:STDOUT:       requirement_rewrite %impl.elem0, %T.ref.loc11_51
    230. 

  230. // CHECK:STDOUT:     }
    231. 

  231. // CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    232. 

  232. // CHECK:STDOUT:     %T.loc11_20.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_20.2 (constants.%T.8b3)]
    233. 

  233. // CHECK:STDOUT:   }
    234. 

  234. // CHECK:STDOUT:   %Z.impl_witness_table.loc11 = impl_witness_table (%impl_witness_assoc_constant.loc11), @T.as.Z.impl.62c [concrete]
    235. 

  235. // CHECK:STDOUT:   %Z.impl_witness.loc11: <witness> = impl_witness %Z.impl_witness_table.loc11, @T.as.Z.impl.62c(constants.%T.8b3) [symbolic = @T.as.Z.impl.62c.%Z.impl_witness (constants.%Z.impl_witness.093)]
    236. 

  236. // CHECK:STDOUT:   %impl_witness_assoc_constant.loc11: type = impl_witness_assoc_constant constants.%T.8b3 [symbolic = @T.as.Z.impl.62c.%T.loc11_20.2 (constants.%T.8b3)]
    237. 

  237. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    238. 

  238. // CHECK:STDOUT:     %T.patt: %pattern_type.c1f = symbolic_binding_pattern T, 0 [concrete]
    239. 

  239. // CHECK:STDOUT:     %t.patt: @F.%pattern_type (%pattern_type.d8b) = binding_pattern t [concrete]
    240. 

  240. // CHECK:STDOUT:     %t.param_patt: @F.%pattern_type (%pattern_type.d8b) = value_param_pattern %t.patt, call_param0 [concrete]
    241. 

  241. // CHECK:STDOUT:   } {
    242. 

  242. // CHECK:STDOUT:     %.loc13_13: type = splice_block %Z.type [concrete = constants.%Z.type.049] {
    243. 

  243. // CHECK:STDOUT:       %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    244. 

  244. // CHECK:STDOUT:       %Z.ref: %Z.type.9fb = name_ref Z, file.%Z.decl [concrete = constants.%Z.generic]
    245. 

  245. // CHECK:STDOUT:       %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    246. 

  246. // CHECK:STDOUT:       %Z.type: type = facet_type <@Z, @Z(constants.%C)> [concrete = constants.%Z.type.049]
    247. 

  247. // CHECK:STDOUT:     }
    248. 

  248. // CHECK:STDOUT:     %T.loc13_6.2: %Z.type.049 = bind_symbolic_name T, 0 [symbolic = %T.loc13_6.1 (constants.%T.62d)]
    249. 

  249. // CHECK:STDOUT:     %t.param: @F.%T.as_type.loc13_19.1 (%T.as_type) = value_param call_param0
    250. 

  250. // CHECK:STDOUT:     %.loc13_19.1: type = splice_block %.loc13_19.2 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)] {
    251. 

  251. // CHECK:STDOUT:       %T.ref.loc13: %Z.type.049 = name_ref T, %T.loc13_6.2 [symbolic = %T.loc13_6.1 (constants.%T.62d)]
    252. 

  252. // CHECK:STDOUT:       %T.as_type.loc13_19.2: type = facet_access_type %T.ref.loc13 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    253. 

  253. // CHECK:STDOUT:       %.loc13_19.2: type = converted %T.ref.loc13, %T.as_type.loc13_19.2 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    254. 

  254. // CHECK:STDOUT:     }
    255. 

  255. // CHECK:STDOUT:     %t: @F.%T.as_type.loc13_19.1 (%T.as_type) = bind_name t, %t.param
    256. 

  256. // CHECK:STDOUT:   }
    257. 

  257. // CHECK:STDOUT: }
    258. 

  258. // CHECK:STDOUT:
    259. 

  259. // CHECK:STDOUT: generic interface @Z(%T.loc3_13.2: type) {
    260. 

  260. // CHECK:STDOUT:   %T.loc3_13.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc3_13.1 (constants.%T.8b3)]
    261. 

  261. // CHECK:STDOUT:
    262. 

  262. // CHECK:STDOUT: !definition:
    263. 

  263. // CHECK:STDOUT:   %Z.type: type = facet_type <@Z, @Z(%T.loc3_13.1)> [symbolic = %Z.type (constants.%Z.type.a61)]
    264. 

  264. // CHECK:STDOUT:   %Self.2: @Z.%Z.type (%Z.type.a61) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.2bc)]
    265. 

  265. // CHECK:STDOUT:   %Z.assoc_type: type = assoc_entity_type @Z, @Z(%T.loc3_13.1) [symbolic = %Z.assoc_type (constants.%Z.assoc_type.26e)]
    266. 

  266. // CHECK:STDOUT:   %assoc0: @Z.%Z.assoc_type (%Z.assoc_type.26e) = assoc_entity element0, %X [symbolic = %assoc0 (constants.%assoc0.1cd)]
    267. 

  267. // CHECK:STDOUT:
    268. 

  268. // CHECK:STDOUT:   interface {
    269. 

  269. // CHECK:STDOUT:     %Self.1: @Z.%Z.type (%Z.type.a61) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.2bc)]
    270. 

  270. // CHECK:STDOUT:     %X: type = assoc_const_decl @X [concrete] {
    271. 

  271. // CHECK:STDOUT:       %assoc0: @Z.%Z.assoc_type (%Z.assoc_type.26e) = assoc_entity element0, @Z.%X [symbolic = @Z.%assoc0 (constants.%assoc0.1cd)]
    272. 

  272. // CHECK:STDOUT:     }
    273. 

  273. // CHECK:STDOUT:
    274. 

  274. // CHECK:STDOUT:   !members:
    275. 

  275. // CHECK:STDOUT:     .Self = %Self.1
    276. 

  276. // CHECK:STDOUT:     .X = @X.%assoc0
    277. 

  277. // CHECK:STDOUT:     witness = (%X)
    278. 

  278. // CHECK:STDOUT:   }
    279. 

  279. // CHECK:STDOUT: }
    280. 

  280. // CHECK:STDOUT:
    281. 

  281. // CHECK:STDOUT: generic assoc_const @X(@Z.%T.loc3_13.2: type, @Z.%Self.1: @Z.%Z.type (%Z.type.a61)) {
    282. 

  282. // CHECK:STDOUT:   assoc_const X:! type;
    283. 

  283. // CHECK:STDOUT: }
    284. 

  284. // CHECK:STDOUT:
    285. 

  285. // CHECK:STDOUT: impl @C.as.Destroy.impl: @C.%Self.ref as constants.%Destroy.type {
    286. 

  286. // CHECK:STDOUT:   %C.as.Destroy.impl.Op.decl: %C.as.Destroy.impl.Op.type = fn_decl @C.as.Destroy.impl.Op [concrete = constants.%C.as.Destroy.impl.Op] {
    287. 

  287. // CHECK:STDOUT:     %self.patt: %pattern_type.44a = binding_pattern self [concrete]
    288. 

  288. // CHECK:STDOUT:     %self.param_patt: %pattern_type.44a = value_param_pattern %self.patt, call_param0 [concrete]
    289. 

  289. // CHECK:STDOUT:     %.loc7: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    290. 

  290. // CHECK:STDOUT:   } {
    291. 

  291. // CHECK:STDOUT:     %self.param: %ptr.019 = value_param call_param0
    292. 

  292. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
    293. 

  293. // CHECK:STDOUT:     %self: %ptr.019 = bind_name self, %self.param
    294. 

  294. // CHECK:STDOUT:   }
    295. 

  295. // CHECK:STDOUT:
    296. 

  296. // CHECK:STDOUT: !members:
    297. 

  297. // CHECK:STDOUT:   .Op = %C.as.Destroy.impl.Op.decl
    298. 

  298. // CHECK:STDOUT:   witness = @C.%Destroy.impl_witness
    299. 

  299. // CHECK:STDOUT: }
    300. 

  300. // CHECK:STDOUT:
    301. 

  301. // CHECK:STDOUT: generic impl @T.as.Z.impl.119(%T.loc9_14.1: type, %S.loc9_24.1: type) {
    302. 

  302. // CHECK:STDOUT:   %T.loc9_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc9_14.2 (constants.%T.8b3)]
    303. 

  303. // CHECK:STDOUT:   %S.loc9_24.2: type = bind_symbolic_name S, 1 [symbolic = %S.loc9_24.2 (constants.%S)]
    304. 

  304. // CHECK:STDOUT:   %Z.type.loc9_42.2: type = facet_type <@Z, @Z(%S.loc9_24.2)> [symbolic = %Z.type.loc9_42.2 (constants.%Z.type.8e9)]
    305. 

  305. // CHECK:STDOUT:   %.Self.4: @T.as.Z.impl.119.%Z.type.loc9_42.2 (%Z.type.8e9) = bind_symbolic_name .Self [symbolic = %.Self.4 (constants.%.Self.eb1)]
    306. 

  306. // CHECK:STDOUT:   %require_complete.loc9_50: <witness> = require_complete_type %Z.type.loc9_42.2 [symbolic = %require_complete.loc9_50 (constants.%require_complete.b87)]
    307. 

  307. // CHECK:STDOUT:   %Z.assoc_type: type = assoc_entity_type @Z, @Z(%S.loc9_24.2) [symbolic = %Z.assoc_type (constants.%Z.assoc_type.0e7)]
    308. 

  308. // CHECK:STDOUT:   %assoc0: @T.as.Z.impl.119.%Z.assoc_type (%Z.assoc_type.0e7) = assoc_entity element0, @Z.%X [symbolic = %assoc0 (constants.%assoc0.abb)]
    309. 

  309. // CHECK:STDOUT:   %.Self.as_type.loc9_50.2: type = facet_access_type %.Self.4 [symbolic = %.Self.as_type.loc9_50.2 (constants.%.Self.as_type.ffd)]
    310. 

  310. // CHECK:STDOUT:   %Z.lookup_impl_witness: <witness> = lookup_impl_witness %.Self.4, @Z, @Z(%S.loc9_24.2) [symbolic = %Z.lookup_impl_witness (constants.%Z.lookup_impl_witness.597)]
    311. 

  311. // CHECK:STDOUT:   %impl.elem0.loc9_50.2: type = impl_witness_access %Z.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc9_50.2 (constants.%impl.elem0.240)]
    312. 

  312. // CHECK:STDOUT:   %Z_where.type: type = facet_type <@Z, @Z(%S.loc9_24.2) where %impl.elem0.loc9_50.2 = constants.%empty_tuple.type> [symbolic = %Z_where.type (constants.%Z_where.type.80d)]
    313. 

  313. // CHECK:STDOUT:   %require_complete.loc9_44: <witness> = require_complete_type %Z_where.type [symbolic = %require_complete.loc9_44 (constants.%require_complete.9ea)]
    314. 

  314. // CHECK:STDOUT:   %Z.impl_witness: <witness> = impl_witness file.%Z.impl_witness_table.loc9, @T.as.Z.impl.119(%T.loc9_14.2, %S.loc9_24.2) [symbolic = %Z.impl_witness (constants.%Z.impl_witness.d59)]
    315. 

  315. // CHECK:STDOUT:
    316. 

  316. // CHECK:STDOUT: !definition:
    317. 

  317. // CHECK:STDOUT:
    318. 

  318. // CHECK:STDOUT:   impl: %T.ref as %.loc9_44 {
    319. 

  319. // CHECK:STDOUT:   !members:
    320. 

  320. // CHECK:STDOUT:     witness = file.%Z.impl_witness.loc9
    321. 

  321. // CHECK:STDOUT:   }
    322. 

  322. // CHECK:STDOUT: }
    323. 

  323. // CHECK:STDOUT:
    324. 

  324. // CHECK:STDOUT: generic impl @T.as.Z.impl.62c(%T.loc11_20.1: type) {
    325. 

  325. // CHECK:STDOUT:   %T.loc11_20.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc11_20.2 (constants.%T.8b3)]
    326. 

  326. // CHECK:STDOUT:   %Z_where.type: type = facet_type <@Z, @Z(constants.%C) where constants.%impl.elem0.e29 = %T.loc11_20.2> [symbolic = %Z_where.type (constants.%Z_where.type.692)]
    327. 

  327. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %Z_where.type [symbolic = %require_complete (constants.%require_complete.202)]
    328. 

  328. // CHECK:STDOUT:   %Z.impl_witness: <witness> = impl_witness file.%Z.impl_witness_table.loc11, @T.as.Z.impl.62c(%T.loc11_20.2) [symbolic = %Z.impl_witness (constants.%Z.impl_witness.093)]
    329. 

  329. // CHECK:STDOUT:
    330. 

  330. // CHECK:STDOUT: !definition:
    331. 

  331. // CHECK:STDOUT:
    332. 

  332. // CHECK:STDOUT:   impl: %T.ref.loc11_30 as %.loc11_40 {
    333. 

  333. // CHECK:STDOUT:   !members:
    334. 

  334. // CHECK:STDOUT:     witness = file.%Z.impl_witness.loc11
    335. 

  335. // CHECK:STDOUT:   }
    336. 

  336. // CHECK:STDOUT: }
    337. 

  337. // CHECK:STDOUT:
    338. 

  338. // CHECK:STDOUT: class @C {
    339. 

  339. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
    340. 

  340. // CHECK:STDOUT:   impl_decl @C.as.Destroy.impl [concrete] {} {}
    341. 

  341. // CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@C.as.Destroy.impl.%C.as.Destroy.impl.Op.decl), @C.as.Destroy.impl [concrete]
    342. 

  342. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness]
    343. 

  343. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    344. 

  344. // CHECK:STDOUT:   complete_type_witness = %complete_type
    345. 

  345. // CHECK:STDOUT:
    346. 

  346. // CHECK:STDOUT: !members:
    347. 

  347. // CHECK:STDOUT:   .Self = constants.%C
    348. 

  348. // CHECK:STDOUT: }
    349. 

  349. // CHECK:STDOUT:
    350. 

  350. // CHECK:STDOUT: fn @C.as.Destroy.impl.Op(%self.param: %ptr.019) = "no_op";
    351. 

  351. // CHECK:STDOUT:
    352. 

  352. // CHECK:STDOUT: generic fn @F(%T.loc13_6.2: %Z.type.049) {
    353. 

  353. // CHECK:STDOUT:   %T.loc13_6.1: %Z.type.049 = bind_symbolic_name T, 0 [symbolic = %T.loc13_6.1 (constants.%T.62d)]
    354. 

  354. // CHECK:STDOUT:   %T.as_type.loc13_19.1: type = facet_access_type %T.loc13_6.1 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    355. 

  355. // CHECK:STDOUT:   %pattern_type: type = pattern_type %T.as_type.loc13_19.1 [symbolic = %pattern_type (constants.%pattern_type.d8b)]
    356. 

  356. // CHECK:STDOUT:
    357. 

  357. // CHECK:STDOUT: !definition:
    358. 

  358. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %T.as_type.loc13_19.1 [symbolic = %require_complete (constants.%require_complete.2b1)]
    359. 

  359. // CHECK:STDOUT:   %Z.impl_witness: <witness> = impl_witness file.%Z.impl_witness_table.loc11, @T.as.Z.impl.62c(%T.as_type.loc13_19.1) [symbolic = %Z.impl_witness (constants.%Z.impl_witness.7c2)]
    360. 

  360. // CHECK:STDOUT:
    361. 

  361. // CHECK:STDOUT:   fn(%t.param: @F.%T.as_type.loc13_19.1 (%T.as_type)) {
    362. 

  362. // CHECK:STDOUT:   !entry:
    363. 

  363. // CHECK:STDOUT:     name_binding_decl {
    364. 

  364. // CHECK:STDOUT:       %a.patt: @F.%pattern_type (%pattern_type.d8b) = binding_pattern a [concrete]
    365. 

  365. // CHECK:STDOUT:     }
    366. 

  366. // CHECK:STDOUT:     %t.ref: @F.%T.as_type.loc13_19.1 (%T.as_type) = name_ref t, %t
    367. 

  367. // CHECK:STDOUT:     %.loc15_11.1: type = splice_block %impl.elem0 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)] {
    368. 

  368. // CHECK:STDOUT:       %T.ref.loc15: %Z.type.049 = name_ref T, %T.loc13_6.2 [symbolic = %T.loc13_6.1 (constants.%T.62d)]
    369. 

  369. // CHECK:STDOUT:       %.loc15_11.2: %Z.assoc_type.252 = specific_constant @X.%assoc0, @Z(constants.%C) [concrete = constants.%assoc0.ea4]
    370. 

  370. // CHECK:STDOUT:       %X.ref: %Z.assoc_type.252 = name_ref X, %.loc15_11.2 [concrete = constants.%assoc0.ea4]
    371. 

  371. // CHECK:STDOUT:       %T.as_type.loc15_11.1: type = facet_access_type %T.ref.loc15 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    372. 

  372. // CHECK:STDOUT:       %.loc15_11.3: type = converted %T.ref.loc15, %T.as_type.loc15_11.1 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    373. 

  373. // CHECK:STDOUT:       %T.as_type.loc15_11.2: type = facet_access_type constants.%T.62d [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    374. 

  374. // CHECK:STDOUT:       %.loc15_11.4: type = converted constants.%T.62d, %T.as_type.loc15_11.2 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    375. 

  375. // CHECK:STDOUT:       %impl.elem0: type = impl_witness_access constants.%Z.impl_witness.7c2, element0 [symbolic = %T.as_type.loc13_19.1 (constants.%T.as_type)]
    376. 

  376. // CHECK:STDOUT:     }
    377. 

  377. // CHECK:STDOUT:     %a: @F.%T.as_type.loc13_19.1 (%T.as_type) = bind_name a, %t.ref
    378. 

  378. // CHECK:STDOUT:     return
    379. 

  379. // CHECK:STDOUT:   }
    380. 

  380. // CHECK:STDOUT: }
    381. 

  381. // CHECK:STDOUT:
    382. 

  382. // CHECK:STDOUT: specific @Z(constants.%T.8b3) {
    383. 

  383. // CHECK:STDOUT:   %T.loc3_13.1 => constants.%T.8b3
    384. 

  384. // CHECK:STDOUT: }
    385. 

  385. // CHECK:STDOUT:
    386. 

  386. // CHECK:STDOUT: specific @X(constants.%T.8b3, constants.%Self.2bc) {}
    387. 

  387. // CHECK:STDOUT:
    388. 

  388. // CHECK:STDOUT: specific @Z(constants.%S) {
    389. 

  389. // CHECK:STDOUT:   %T.loc3_13.1 => constants.%S
    390. 

  390. // CHECK:STDOUT:
    391. 

  391. // CHECK:STDOUT: !definition:
    392. 

  392. // CHECK:STDOUT:   %Z.type => constants.%Z.type.8e9
    393. 

  393. // CHECK:STDOUT:   %Self.2 => constants.%Self.831
    394. 

  394. // CHECK:STDOUT:   %Z.assoc_type => constants.%Z.assoc_type.0e7
    395. 

  395. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.abb
    396. 

  396. // CHECK:STDOUT: }
    397. 

  397. // CHECK:STDOUT:
    398. 

  398. // CHECK:STDOUT: specific @X(constants.%S, constants.%Z.facet.4f7) {}
    399. 

  399. // CHECK:STDOUT:
    400. 

  400. // CHECK:STDOUT: specific @T.as.Z.impl.119(constants.%T.8b3, constants.%S) {
    401. 

  401. // CHECK:STDOUT:   %T.loc9_14.2 => constants.%T.8b3
    402. 

  402. // CHECK:STDOUT:   %S.loc9_24.2 => constants.%S
    403. 

  403. // CHECK:STDOUT:   %Z.type.loc9_42.2 => constants.%Z.type.8e9
    404. 

  404. // CHECK:STDOUT:   %.Self.4 => constants.%.Self.eb1
    405. 

  405. // CHECK:STDOUT:   %require_complete.loc9_50 => constants.%require_complete.b87
    406. 

  406. // CHECK:STDOUT:   %Z.assoc_type => constants.%Z.assoc_type.0e7
    407. 

  407. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.abb
    408. 

  408. // CHECK:STDOUT:   %.Self.as_type.loc9_50.2 => constants.%.Self.as_type.ffd
    409. 

  409. // CHECK:STDOUT:   %Z.lookup_impl_witness => constants.%Z.lookup_impl_witness.597
    410. 

  410. // CHECK:STDOUT:   %impl.elem0.loc9_50.2 => constants.%impl.elem0.240
    411. 

  411. // CHECK:STDOUT:   %Z_where.type => constants.%Z_where.type.80d
    412. 

  412. // CHECK:STDOUT:   %require_complete.loc9_44 => constants.%require_complete.9ea
    413. 

  413. // CHECK:STDOUT:   %Z.impl_witness => constants.%Z.impl_witness.d59
    414. 

  414. // CHECK:STDOUT: }
    415. 

  415. // CHECK:STDOUT:
    416. 

  416. // CHECK:STDOUT: specific @Z(constants.%C) {
    417. 

  417. // CHECK:STDOUT:   %T.loc3_13.1 => constants.%C
    418. 

  418. // CHECK:STDOUT:
    419. 

  419. // CHECK:STDOUT: !definition:
    420. 

  420. // CHECK:STDOUT:   %Z.type => constants.%Z.type.049
    421. 

  421. // CHECK:STDOUT:   %Self.2 => constants.%Self.a38
    422. 

  422. // CHECK:STDOUT:   %Z.assoc_type => constants.%Z.assoc_type.252
    423. 

  423. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.ea4
    424. 

  424. // CHECK:STDOUT: }
    425. 

  425. // CHECK:STDOUT:
    426. 

  426. // CHECK:STDOUT: specific @X(constants.%C, constants.%Z.facet.eb4) {}
    427. 

  427. // CHECK:STDOUT:
    428. 

  428. // CHECK:STDOUT: specific @T.as.Z.impl.62c(constants.%T.8b3) {
    429. 

  429. // CHECK:STDOUT:   %T.loc11_20.2 => constants.%T.8b3
    430. 

  430. // CHECK:STDOUT:   %Z_where.type => constants.%Z_where.type.692
    431. 

  431. // CHECK:STDOUT:   %require_complete => constants.%require_complete.202
    432. 

  432. // CHECK:STDOUT:   %Z.impl_witness => constants.%Z.impl_witness.093
    433. 

  433. // CHECK:STDOUT: }
    434. 

  434. // CHECK:STDOUT:
    435. 

  435. // CHECK:STDOUT: specific @F(constants.%T.62d) {
    436. 

  436. // CHECK:STDOUT:   %T.loc13_6.1 => constants.%T.62d
    437. 

  437. // CHECK:STDOUT:   %T.as_type.loc13_19.1 => constants.%T.as_type
    438. 

  438. // CHECK:STDOUT:   %pattern_type => constants.%pattern_type.d8b
    439. 

  439. // CHECK:STDOUT: }
    440. 

  440. // CHECK:STDOUT:
    441. 

  441. // CHECK:STDOUT: specific @T.as.Z.impl.62c(constants.%T.as_type) {
    442. 

  442. // CHECK:STDOUT:   %T.loc11_20.2 => constants.%T.as_type
    443. 

  443. // CHECK:STDOUT:   %Z_where.type => constants.%Z_where.type.272
    444. 

  444. // CHECK:STDOUT:   %require_complete => constants.%require_complete.915
    445. 

  445. // CHECK:STDOUT:   %Z.impl_witness => constants.%Z.impl_witness.7c2
    446. 

  446. // CHECK:STDOUT:
    447. 

  447. // CHECK:STDOUT: !definition:
    448. 

  448. // CHECK:STDOUT: }
    449. 

  449. // CHECK:STDOUT:
    450. 

  450. // CHECK:STDOUT: specific @X(constants.%C, constants.%Z.facet.2aa) {}
    451. 

  451. // CHECK:STDOUT:
    452. 

  452. // CHECK:STDOUT: --- fail_nonfinal_specialized_symbolic_rewrite.carbon
    453. 

  453. // CHECK:STDOUT:
    454. 

  454. // CHECK:STDOUT: constants {
    455. 

  455. // CHECK:STDOUT:   %.Self.644: type = bind_symbolic_name .Self [symbolic_self]
    456. 

  456. // CHECK:STDOUT:   %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
    457. 

  457. // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
    458. 

  458. // CHECK:STDOUT:   %Z.type.9fb: type = generic_interface_type @Z [concrete]
    459. 

  459. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    460. 

  460. // CHECK:STDOUT:   %Z.generic: %Z.type.9fb = struct_value () [concrete]
    461. 

  461. // CHECK:STDOUT:   %Z.type.a61: type = facet_type <@Z, @Z(%T.8b3)> [symbolic]
    462. 

  462. // CHECK:STDOUT:   %Self.2bc: %Z.type.a61 = bind_symbolic_name Self, 1 [symbolic]
    463. 

  463. // CHECK:STDOUT:   %Z.assoc_type.26e: type = assoc_entity_type @Z, @Z(%T.8b3) [symbolic]
    464. 

  464. // CHECK:STDOUT:   %assoc0.1cd: %Z.assoc_type.26e = assoc_entity element0, @Z.%X [symbolic]
    465. 

  465. // CHECK:STDOUT:   %Y.type: type = facet_type <@Y> [concrete]
    466. 

  466. // CHECK:STDOUT:   %Self.b29: %Y.type = bind_symbolic_name Self, 0 [symbolic]
    467. 

  467. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    468. 

  468. // CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
    469. 

  469. // CHECK:STDOUT:   %pattern_type.f6d: type = pattern_type auto [concrete]
    470. 

  470. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness @C.%Destroy.impl_witness_table [concrete]
    471. 

  471. // CHECK:STDOUT:   %ptr.019: type = ptr_type %C [concrete]
    472. 

  472. // CHECK:STDOUT:   %pattern_type.44a: type = pattern_type %ptr.019 [concrete]
    473. 

  473. // CHECK:STDOUT:   %C.as.Destroy.impl.Op.type: type = fn_type @C.as.Destroy.impl.Op [concrete]
    474. 

  474. // CHECK:STDOUT:   %C.as.Destroy.impl.Op: %C.as.Destroy.impl.Op.type = struct_value () [concrete]
    475. 

  475. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    476. 

  476. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness %empty_struct_type [concrete]
    477. 

  477. // CHECK:STDOUT:   %S: type = bind_symbolic_name S, 1 [symbolic]
    478. 

  478. // CHECK:STDOUT:   %Z.type.8e9: type = facet_type <@Z, @Z(%S)> [symbolic]
    479. 

  479. // CHECK:STDOUT:   %.Self.eb1: %Z.type.8e9 = bind_symbolic_name .Self [symbolic]
    480. 

  480. // CHECK:STDOUT:   %Self.831: %Z.type.8e9 = bind_symbolic_name Self, 1 [symbolic]
    481. 

  481. // CHECK:STDOUT:   %Z.assoc_type.0e7: type = assoc_entity_type @Z, @Z(%S) [symbolic]
    482. 

  482. // CHECK:STDOUT:   %assoc0.abb: %Z.assoc_type.0e7 = assoc_entity element0, @Z.%X [symbolic]
    483. 

  483. // CHECK:STDOUT:   %require_complete.b87: <witness> = require_complete_type %Z.type.8e9 [symbolic]
    484. 

  484. // CHECK:STDOUT:   %.Self.as_type.ffd: type = facet_access_type %.Self.eb1 [symbolic]
    485. 

  485. // CHECK:STDOUT:   %Z.lookup_impl_witness.597: <witness> = lookup_impl_witness %.Self.eb1, @Z, @Z(%S) [symbolic]
    486. 

  486. // CHECK:STDOUT:   %Z.facet.4f7: %Z.type.8e9 = facet_value %.Self.as_type.ffd, (%Z.lookup_impl_witness.597) [symbolic]
    487. 

  487. // CHECK:STDOUT:   %impl.elem0.240: type = impl_witness_access %Z.lookup_impl_witness.597, element0 [symbolic]
    488. 

  488. // CHECK:STDOUT:   %Z_where.type.80d: type = facet_type <@Z, @Z(%S) where %impl.elem0.240 = %empty_tuple.type> [symbolic]
    489. 

  489. // CHECK:STDOUT:   %require_complete.9ea: <witness> = require_complete_type %Z_where.type.80d [symbolic]
    490. 

  490. // CHECK:STDOUT:   %Z.impl_witness.d59: <witness> = impl_witness file.%Z.impl_witness_table.loc10, @T.as.Z.impl.119(%T.8b3, %S) [symbolic]
    491. 

  491. // CHECK:STDOUT:   %Z.type.049: type = facet_type <@Z, @Z(%C)> [concrete]
    492. 

  492. // CHECK:STDOUT:   %.Self.3c5: %Z.type.049 = bind_symbolic_name .Self [symbolic_self]
    493. 

  493. // CHECK:STDOUT:   %Self.a38: %Z.type.049 = bind_symbolic_name Self, 1 [symbolic]
    494. 

  494. // CHECK:STDOUT:   %Z.assoc_type.252: type = assoc_entity_type @Z, @Z(%C) [concrete]
    495. 

  495. // CHECK:STDOUT:   %assoc0.ea4: %Z.assoc_type.252 = assoc_entity element0, @Z.%X [concrete]
    496. 

  496. // CHECK:STDOUT:   %.Self.as_type.c3c: type = facet_access_type %.Self.3c5 [symbolic_self]
    497. 

  497. // CHECK:STDOUT:   %Z.lookup_impl_witness.9cc: <witness> = lookup_impl_witness %.Self.3c5, @Z, @Z(%C) [symbolic_self]
    498. 

  498. // CHECK:STDOUT:   %Z.facet.eb4: %Z.type.049 = facet_value %.Self.as_type.c3c, (%Z.lookup_impl_witness.9cc) [symbolic_self]
    499. 

  499. // CHECK:STDOUT:   %impl.elem0.e29: type = impl_witness_access %Z.lookup_impl_witness.9cc, element0 [symbolic_self]
    500. 

  500. // CHECK:STDOUT:   %Z_where.type.692: type = facet_type <@Z, @Z(%C) where %impl.elem0.e29 = %T.8b3> [symbolic]
    501. 

  501. // CHECK:STDOUT:   %require_complete.202: <witness> = require_complete_type %Z_where.type.692 [symbolic]
    502. 

  502. // CHECK:STDOUT:   %Z.impl_witness.093: <witness> = impl_witness file.%Z.impl_witness_table.loc12, @T.as.Z.impl.62c(%T.8b3) [symbolic]
    503. 

  503. // CHECK:STDOUT:   %T.62d: %Z.type.049 = bind_symbolic_name T, 0 [symbolic]
    504. 

  504. // CHECK:STDOUT:   %pattern_type.c1f: type = pattern_type %Z.type.049 [concrete]
    505. 

  505. // CHECK:STDOUT:   %T.as_type: type = facet_access_type %T.62d [symbolic]
    506. 

  506. // CHECK:STDOUT:   %pattern_type.d8b: type = pattern_type %T.as_type [symbolic]
    507. 

  507. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    508. 

  508. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    509. 

  509. // CHECK:STDOUT:   %require_complete.2b1: <witness> = require_complete_type %T.as_type [symbolic]
    510. 

  510. // CHECK:STDOUT:   %Z.lookup_impl_witness.103: <witness> = lookup_impl_witness %T.62d, @Z, @Z(%C) [symbolic]
    511. 

  511. // CHECK:STDOUT:   %Z.facet.5a7: %Z.type.049 = facet_value %T.as_type, (%Z.lookup_impl_witness.103) [symbolic]
    512. 

  512. // CHECK:STDOUT:   %impl.elem0.284: type = impl_witness_access %Z.lookup_impl_witness.103, element0 [symbolic]
    513. 

  513. // CHECK:STDOUT:   %require_complete.3ef: <witness> = require_complete_type %impl.elem0.284 [symbolic]
    514. 

  514. // CHECK:STDOUT:   %pattern_type.722: type = pattern_type %impl.elem0.284 [symbolic]
    515. 

  515. // CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
    516. 

  516. // CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
    517. 

  517. // CHECK:STDOUT:   %Dest: type = bind_symbolic_name Dest, 0 [symbolic]
    518. 

  518. // CHECK:STDOUT:   %ImplicitAs.Convert.type.275: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%Dest) [symbolic]
    519. 

  519. // CHECK:STDOUT:   %ImplicitAs.Convert.42e: %ImplicitAs.Convert.type.275 = struct_value () [symbolic]
    520. 

  520. // CHECK:STDOUT:   %ImplicitAs.assoc_type.ca0: type = assoc_entity_type @ImplicitAs, @ImplicitAs(%Dest) [symbolic]
    521. 

  521. // CHECK:STDOUT:   %ImplicitAs.type.199: type = facet_type <@ImplicitAs, @ImplicitAs(%impl.elem0.284)> [symbolic]
    522. 

  522. // CHECK:STDOUT:   %ImplicitAs.assoc_type.bd9: type = assoc_entity_type @ImplicitAs, @ImplicitAs(%impl.elem0.284) [symbolic]
    523. 

  523. // CHECK:STDOUT:   %assoc0.428: %ImplicitAs.assoc_type.bd9 = assoc_entity element0, imports.%Core.import_ref.1c7 [symbolic]
    524. 

  524. // CHECK:STDOUT:   %require_complete.3ca: <witness> = require_complete_type %ImplicitAs.type.199 [symbolic]
    525. 

  525. // CHECK:STDOUT:   %assoc0.dc0: %ImplicitAs.assoc_type.ca0 = assoc_entity element0, imports.%Core.import_ref.207 [symbolic]
    526. 

  526. // CHECK:STDOUT: }
    527. 

  527. // CHECK:STDOUT:
    528. 

  528. // CHECK:STDOUT: imports {
    529. 

  529. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    530. 

  530. // CHECK:STDOUT:     .Destroy = %Core.Destroy
    531. 

  531. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    532. 

  532. // CHECK:STDOUT:     import Core//prelude
    533. 

  533. // CHECK:STDOUT:     import Core//prelude/...
    534. 

  534. // CHECK:STDOUT:   }
    535. 

  535. // CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
    536. 

  536. // CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
    537. 

  537. // CHECK:STDOUT:   %Core.import_ref.492: @ImplicitAs.%ImplicitAs.assoc_type (%ImplicitAs.assoc_type.ca0) = import_ref Core//prelude/parts/as, loc17_35, loaded [symbolic = @ImplicitAs.%assoc0 (constants.%assoc0.dc0)]
    538. 

  538. // CHECK:STDOUT:   %Core.import_ref.1c7: @ImplicitAs.%ImplicitAs.Convert.type (%ImplicitAs.Convert.type.275) = import_ref Core//prelude/parts/as, loc17_35, loaded [symbolic = @ImplicitAs.%ImplicitAs.Convert (constants.%ImplicitAs.Convert.42e)]
    539. 

  539. // CHECK:STDOUT:   %Core.import_ref.207 = import_ref Core//prelude/parts/as, loc17_35, unloaded
    540. 

  540. // CHECK:STDOUT: }
    541. 

  541. // CHECK:STDOUT:
    542. 

  542. // CHECK:STDOUT: file {
    543. 

  543. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    544. 

  544. // CHECK:STDOUT:     .Core = imports.%Core
    545. 

  545. // CHECK:STDOUT:     .Z = %Z.decl
    546. 

  546. // CHECK:STDOUT:     .Y = %Y.decl
    547. 

  547. // CHECK:STDOUT:     .C = %C.decl
    548. 

  548. // CHECK:STDOUT:     .F = %F.decl
    549. 

  549. // CHECK:STDOUT:   }
    550. 

  550. // CHECK:STDOUT:   %Core.import = import Core
    551. 

  551. // CHECK:STDOUT:   %Z.decl: %Z.type.9fb = interface_decl @Z [concrete = constants.%Z.generic] {
    552. 

  552. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    553. 

  553. // CHECK:STDOUT:   } {
    554. 

  554. // CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    555. 

  555. // CHECK:STDOUT:     %T.loc3_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc3_13.1 (constants.%T.8b3)]
    556. 

  556. // CHECK:STDOUT:   }
    557. 

  557. // CHECK:STDOUT:   %Y.decl: type = interface_decl @Y [concrete = constants.%Y.type] {} {}
    558. 

  558. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    559. 

  559. // CHECK:STDOUT:   impl_decl @T.as.Z.impl.119 [concrete] {
    560. 

  560. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    561. 

  561. // CHECK:STDOUT:     %S.patt: %pattern_type.98f = symbolic_binding_pattern S, 1 [concrete]
    562. 

  562. // CHECK:STDOUT:   } {
    563. 

  563. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc10_14.1 [symbolic = %T.loc10_14.2 (constants.%T.8b3)]
    564. 

  564. // CHECK:STDOUT:     %Z.ref: %Z.type.9fb = name_ref Z, file.%Z.decl [concrete = constants.%Z.generic]
    565. 

  565. // CHECK:STDOUT:     %S.ref: type = name_ref S, %S.loc10_24.1 [symbolic = %S.loc10_24.2 (constants.%S)]
    566. 

  566. // CHECK:STDOUT:     %Z.type.loc10_42.1: type = facet_type <@Z, @Z(constants.%S)> [symbolic = %Z.type.loc10_42.2 (constants.%Z.type.8e9)]
    567. 

  567. // CHECK:STDOUT:     %.Self.1: @T.as.Z.impl.119.%Z.type.loc10_42.2 (%Z.type.8e9) = bind_symbolic_name .Self [symbolic = %.Self.4 (constants.%.Self.eb1)]
    568. 

  568. // CHECK:STDOUT:     %.Self.ref: @T.as.Z.impl.119.%Z.type.loc10_42.2 (%Z.type.8e9) = name_ref .Self, %.Self.1 [symbolic = %.Self.4 (constants.%.Self.eb1)]
    569. 

  569. // CHECK:STDOUT:     %.loc10_50.1: @T.as.Z.impl.119.%Z.assoc_type (%Z.assoc_type.0e7) = specific_constant @X.%assoc0, @Z(constants.%S) [symbolic = %assoc0 (constants.%assoc0.abb)]
    570. 

  570. // CHECK:STDOUT:     %X.ref: @T.as.Z.impl.119.%Z.assoc_type (%Z.assoc_type.0e7) = name_ref X, %.loc10_50.1 [symbolic = %assoc0 (constants.%assoc0.abb)]
    571. 

  571. // CHECK:STDOUT:     %.Self.as_type.loc10_50.1: type = facet_access_type %.Self.ref [symbolic = %.Self.as_type.loc10_50.2 (constants.%.Self.as_type.ffd)]
    572. 

  572. // CHECK:STDOUT:     %.loc10_50.2: type = converted %.Self.ref, %.Self.as_type.loc10_50.1 [symbolic = %.Self.as_type.loc10_50.2 (constants.%.Self.as_type.ffd)]
    573. 

  573. // CHECK:STDOUT:     %impl.elem0.loc10_50.1: type = impl_witness_access constants.%Z.lookup_impl_witness.597, element0 [symbolic = %impl.elem0.loc10_50.2 (constants.%impl.elem0.240)]
    574. 

  574. // CHECK:STDOUT:     %.loc10_56.1: %empty_tuple.type = tuple_literal ()
    575. 

  575. // CHECK:STDOUT:     %.loc10_56.2: type = converted %.loc10_56.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    576. 

  576. // CHECK:STDOUT:     %.loc10_44: type = where_expr %.Self.1 [symbolic = %Z_where.type (constants.%Z_where.type.80d)] {
    577. 

  577. // CHECK:STDOUT:       requirement_base_facet_type constants.%Z.type.8e9
    578. 

  578. // CHECK:STDOUT:       requirement_rewrite %impl.elem0.loc10_50.1, %.loc10_56.2
    579. 

  579. // CHECK:STDOUT:     }
    580. 

  580. // CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    581. 

  581. // CHECK:STDOUT:     %T.loc10_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc10_14.2 (constants.%T.8b3)]
    582. 

  582. // CHECK:STDOUT:     %.Self.3: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    583. 

  583. // CHECK:STDOUT:     %S.loc10_24.1: type = bind_symbolic_name S, 1 [symbolic = %S.loc10_24.2 (constants.%S)]
    584. 

  584. // CHECK:STDOUT:   }
    585. 

  585. // CHECK:STDOUT:   %Z.impl_witness_table.loc10 = impl_witness_table (%impl_witness_assoc_constant.loc10), @T.as.Z.impl.119 [concrete]
    586. 

  586. // CHECK:STDOUT:   %Z.impl_witness.loc10: <witness> = impl_witness %Z.impl_witness_table.loc10, @T.as.Z.impl.119(constants.%T.8b3, constants.%S) [symbolic = @T.as.Z.impl.119.%Z.impl_witness (constants.%Z.impl_witness.d59)]
    587. 

  587. // CHECK:STDOUT:   %impl_witness_assoc_constant.loc10: type = impl_witness_assoc_constant constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    588. 

  588. // CHECK:STDOUT:   impl_decl @T.as.Z.impl.62c [concrete] {
    589. 

  589. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    590. 

  590. // CHECK:STDOUT:   } {
    591. 

  591. // CHECK:STDOUT:     %T.ref.loc12_24: type = name_ref T, %T.loc12_14.1 [symbolic = %T.loc12_14.2 (constants.%T.8b3)]
    592. 

  592. // CHECK:STDOUT:     %Z.ref: %Z.type.9fb = name_ref Z, file.%Z.decl [concrete = constants.%Z.generic]
    593. 

  593. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    594. 

  594. // CHECK:STDOUT:     %Z.type: type = facet_type <@Z, @Z(constants.%C)> [concrete = constants.%Z.type.049]
    595. 

  595. // CHECK:STDOUT:     %.Self.1: %Z.type.049 = bind_symbolic_name .Self [symbolic_self = constants.%.Self.3c5]
    596. 

  596. // CHECK:STDOUT:     %.Self.ref: %Z.type.049 = name_ref .Self, %.Self.1 [symbolic_self = constants.%.Self.3c5]
    597. 

  597. // CHECK:STDOUT:     %.loc12_40.1: %Z.assoc_type.252 = specific_constant @X.%assoc0, @Z(constants.%C) [concrete = constants.%assoc0.ea4]
    598. 

  598. // CHECK:STDOUT:     %X.ref: %Z.assoc_type.252 = name_ref X, %.loc12_40.1 [concrete = constants.%assoc0.ea4]
    599. 

  599. // CHECK:STDOUT:     %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.as_type.c3c]
    600. 

  600. // CHECK:STDOUT:     %.loc12_40.2: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.as_type.c3c]
    601. 

  601. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Z.lookup_impl_witness.9cc, element0 [symbolic_self = constants.%impl.elem0.e29]
    602. 

  602. // CHECK:STDOUT:     %T.ref.loc12_45: type = name_ref T, %T.loc12_14.1 [symbolic = %T.loc12_14.2 (constants.%T.8b3)]
    603. 

  603. // CHECK:STDOUT:     %.loc12_34: type = where_expr %.Self.1 [symbolic = %Z_where.type (constants.%Z_where.type.692)] {
    604. 

  604. // CHECK:STDOUT:       requirement_base_facet_type constants.%Z.type.049
    605. 

  605. // CHECK:STDOUT:       requirement_rewrite %impl.elem0, %T.ref.loc12_45
    606. 

  606. // CHECK:STDOUT:     }
    607. 

  607. // CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    608. 

  608. // CHECK:STDOUT:     %T.loc12_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc12_14.2 (constants.%T.8b3)]
    609. 

  609. // CHECK:STDOUT:   }
    610. 

  610. // CHECK:STDOUT:   %Z.impl_witness_table.loc12 = impl_witness_table (%impl_witness_assoc_constant.loc12), @T.as.Z.impl.62c [concrete]
    611. 

  611. // CHECK:STDOUT:   %Z.impl_witness.loc12: <witness> = impl_witness %Z.impl_witness_table.loc12, @T.as.Z.impl.62c(constants.%T.8b3) [symbolic = @T.as.Z.impl.62c.%Z.impl_witness (constants.%Z.impl_witness.093)]
    612. 

  612. // CHECK:STDOUT:   %impl_witness_assoc_constant.loc12: type = impl_witness_assoc_constant constants.%T.8b3 [symbolic = @T.as.Z.impl.62c.%T.loc12_14.2 (constants.%T.8b3)]
    613. 

  613. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    614. 

  614. // CHECK:STDOUT:     %T.patt: %pattern_type.c1f = symbolic_binding_pattern T, 0 [concrete]
    615. 

  615. // CHECK:STDOUT:     %t.patt: @F.%pattern_type.loc14 (%pattern_type.d8b) = binding_pattern t [concrete]
    616. 

  616. // CHECK:STDOUT:     %t.param_patt: @F.%pattern_type.loc14 (%pattern_type.d8b) = value_param_pattern %t.patt, call_param0 [concrete]
    617. 

  617. // CHECK:STDOUT:   } {
    618. 

  618. // CHECK:STDOUT:     %.loc14_13: type = splice_block %Z.type [concrete = constants.%Z.type.049] {
    619. 

  619. // CHECK:STDOUT:       %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    620. 

  620. // CHECK:STDOUT:       %Z.ref: %Z.type.9fb = name_ref Z, file.%Z.decl [concrete = constants.%Z.generic]
    621. 

  621. // CHECK:STDOUT:       %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    622. 

  622. // CHECK:STDOUT:       %Z.type: type = facet_type <@Z, @Z(constants.%C)> [concrete = constants.%Z.type.049]
    623. 

  623. // CHECK:STDOUT:     }
    624. 

  624. // CHECK:STDOUT:     %T.loc14_6.2: %Z.type.049 = bind_symbolic_name T, 0 [symbolic = %T.loc14_6.1 (constants.%T.62d)]
    625. 

  625. // CHECK:STDOUT:     %t.param: @F.%T.as_type.loc14_19.1 (%T.as_type) = value_param call_param0
    626. 

  626. // CHECK:STDOUT:     %.loc14_19.1: type = splice_block %.loc14_19.2 [symbolic = %T.as_type.loc14_19.1 (constants.%T.as_type)] {
    627. 

  627. // CHECK:STDOUT:       %T.ref.loc14: %Z.type.049 = name_ref T, %T.loc14_6.2 [symbolic = %T.loc14_6.1 (constants.%T.62d)]
    628. 

  628. // CHECK:STDOUT:       %T.as_type.loc14_19.2: type = facet_access_type %T.ref.loc14 [symbolic = %T.as_type.loc14_19.1 (constants.%T.as_type)]
    629. 

  629. // CHECK:STDOUT:       %.loc14_19.2: type = converted %T.ref.loc14, %T.as_type.loc14_19.2 [symbolic = %T.as_type.loc14_19.1 (constants.%T.as_type)]
    630. 

  630. // CHECK:STDOUT:     }
    631. 

  631. // CHECK:STDOUT:     %t: @F.%T.as_type.loc14_19.1 (%T.as_type) = bind_name t, %t.param
    632. 

  632. // CHECK:STDOUT:   }
    633. 

  633. // CHECK:STDOUT: }
    634. 

  634. // CHECK:STDOUT:
    635. 

  635. // CHECK:STDOUT: generic interface @Z(%T.loc3_13.2: type) {
    636. 

  636. // CHECK:STDOUT:   %T.loc3_13.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc3_13.1 (constants.%T.8b3)]
    637. 

  637. // CHECK:STDOUT:
    638. 

  638. // CHECK:STDOUT: !definition:
    639. 

  639. // CHECK:STDOUT:   %Z.type: type = facet_type <@Z, @Z(%T.loc3_13.1)> [symbolic = %Z.type (constants.%Z.type.a61)]
    640. 

  640. // CHECK:STDOUT:   %Self.2: @Z.%Z.type (%Z.type.a61) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.2bc)]
    641. 

  641. // CHECK:STDOUT:   %Z.assoc_type: type = assoc_entity_type @Z, @Z(%T.loc3_13.1) [symbolic = %Z.assoc_type (constants.%Z.assoc_type.26e)]
    642. 

  642. // CHECK:STDOUT:   %assoc0: @Z.%Z.assoc_type (%Z.assoc_type.26e) = assoc_entity element0, %X [symbolic = %assoc0 (constants.%assoc0.1cd)]
    643. 

  643. // CHECK:STDOUT:
    644. 

  644. // CHECK:STDOUT:   interface {
    645. 

  645. // CHECK:STDOUT:     %Self.1: @Z.%Z.type (%Z.type.a61) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.2bc)]
    646. 

  646. // CHECK:STDOUT:     %X: type = assoc_const_decl @X [concrete] {
    647. 

  647. // CHECK:STDOUT:       %assoc0: @Z.%Z.assoc_type (%Z.assoc_type.26e) = assoc_entity element0, @Z.%X [symbolic = @Z.%assoc0 (constants.%assoc0.1cd)]
    648. 

  648. // CHECK:STDOUT:     }
    649. 

  649. // CHECK:STDOUT:
    650. 

  650. // CHECK:STDOUT:   !members:
    651. 

  651. // CHECK:STDOUT:     .Self = %Self.1
    652. 

  652. // CHECK:STDOUT:     .X = @X.%assoc0
    653. 

  653. // CHECK:STDOUT:     witness = (%X)
    654. 

  654. // CHECK:STDOUT:   }
    655. 

  655. // CHECK:STDOUT: }
    656. 

  656. // CHECK:STDOUT:
    657. 

  657. // CHECK:STDOUT: interface @Y {
    658. 

  658. // CHECK:STDOUT:   %Self: %Y.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.b29]
    659. 

  659. // CHECK:STDOUT:
    660. 

  660. // CHECK:STDOUT: !members:
    661. 

  661. // CHECK:STDOUT:   .Self = %Self
    662. 

  662. // CHECK:STDOUT:   witness = ()
    663. 

  663. // CHECK:STDOUT: }
    664. 

  664. // CHECK:STDOUT:
    665. 

  665. // CHECK:STDOUT: generic assoc_const @X(@Z.%T.loc3_13.2: type, @Z.%Self.1: @Z.%Z.type (%Z.type.a61)) {
    666. 

  666. // CHECK:STDOUT:   assoc_const X:! type;
    667. 

  667. // CHECK:STDOUT: }
    668. 

  668. // CHECK:STDOUT:
    669. 

  669. // CHECK:STDOUT: impl @C.as.Destroy.impl: @C.%Self.ref as constants.%Destroy.type {
    670. 

  670. // CHECK:STDOUT:   %C.as.Destroy.impl.Op.decl: %C.as.Destroy.impl.Op.type = fn_decl @C.as.Destroy.impl.Op [concrete = constants.%C.as.Destroy.impl.Op] {
    671. 

  671. // CHECK:STDOUT:     %self.patt: %pattern_type.44a = binding_pattern self [concrete]
    672. 

  672. // CHECK:STDOUT:     %self.param_patt: %pattern_type.44a = value_param_pattern %self.patt, call_param0 [concrete]
    673. 

  673. // CHECK:STDOUT:     %.loc8: %pattern_type.f6d = addr_pattern %self.param_patt [concrete]
    674. 

  674. // CHECK:STDOUT:   } {
    675. 

  675. // CHECK:STDOUT:     %self.param: %ptr.019 = value_param call_param0
    676. 

  676. // CHECK:STDOUT:     %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
    677. 

  677. // CHECK:STDOUT:     %self: %ptr.019 = bind_name self, %self.param
    678. 

  678. // CHECK:STDOUT:   }
    679. 

  679. // CHECK:STDOUT:
    680. 

  680. // CHECK:STDOUT: !members:
    681. 

  681. // CHECK:STDOUT:   .Op = %C.as.Destroy.impl.Op.decl
    682. 

  682. // CHECK:STDOUT:   witness = @C.%Destroy.impl_witness
    683. 

  683. // CHECK:STDOUT: }
    684. 

  684. // CHECK:STDOUT:
    685. 

  685. // CHECK:STDOUT: generic impl @T.as.Z.impl.119(%T.loc10_14.1: type, %S.loc10_24.1: type) {
    686. 

  686. // CHECK:STDOUT:   %T.loc10_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc10_14.2 (constants.%T.8b3)]
    687. 

  687. // CHECK:STDOUT:   %S.loc10_24.2: type = bind_symbolic_name S, 1 [symbolic = %S.loc10_24.2 (constants.%S)]
    688. 

  688. // CHECK:STDOUT:   %Z.type.loc10_42.2: type = facet_type <@Z, @Z(%S.loc10_24.2)> [symbolic = %Z.type.loc10_42.2 (constants.%Z.type.8e9)]
    689. 

  689. // CHECK:STDOUT:   %.Self.4: @T.as.Z.impl.119.%Z.type.loc10_42.2 (%Z.type.8e9) = bind_symbolic_name .Self [symbolic = %.Self.4 (constants.%.Self.eb1)]
    690. 

  690. // CHECK:STDOUT:   %require_complete.loc10_50: <witness> = require_complete_type %Z.type.loc10_42.2 [symbolic = %require_complete.loc10_50 (constants.%require_complete.b87)]
    691. 

  691. // CHECK:STDOUT:   %Z.assoc_type: type = assoc_entity_type @Z, @Z(%S.loc10_24.2) [symbolic = %Z.assoc_type (constants.%Z.assoc_type.0e7)]
    692. 

  692. // CHECK:STDOUT:   %assoc0: @T.as.Z.impl.119.%Z.assoc_type (%Z.assoc_type.0e7) = assoc_entity element0, @Z.%X [symbolic = %assoc0 (constants.%assoc0.abb)]
    693. 

  693. // CHECK:STDOUT:   %.Self.as_type.loc10_50.2: type = facet_access_type %.Self.4 [symbolic = %.Self.as_type.loc10_50.2 (constants.%.Self.as_type.ffd)]
    694. 

  694. // CHECK:STDOUT:   %Z.lookup_impl_witness: <witness> = lookup_impl_witness %.Self.4, @Z, @Z(%S.loc10_24.2) [symbolic = %Z.lookup_impl_witness (constants.%Z.lookup_impl_witness.597)]
    695. 

  695. // CHECK:STDOUT:   %impl.elem0.loc10_50.2: type = impl_witness_access %Z.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc10_50.2 (constants.%impl.elem0.240)]
    696. 

  696. // CHECK:STDOUT:   %Z_where.type: type = facet_type <@Z, @Z(%S.loc10_24.2) where %impl.elem0.loc10_50.2 = constants.%empty_tuple.type> [symbolic = %Z_where.type (constants.%Z_where.type.80d)]
    697. 

  697. // CHECK:STDOUT:   %require_complete.loc10_44: <witness> = require_complete_type %Z_where.type [symbolic = %require_complete.loc10_44 (constants.%require_complete.9ea)]
    698. 

  698. // CHECK:STDOUT:   %Z.impl_witness: <witness> = impl_witness file.%Z.impl_witness_table.loc10, @T.as.Z.impl.119(%T.loc10_14.2, %S.loc10_24.2) [symbolic = %Z.impl_witness (constants.%Z.impl_witness.d59)]
    699. 

  699. // CHECK:STDOUT:
    700. 

  700. // CHECK:STDOUT: !definition:
    701. 

  701. // CHECK:STDOUT:
    702. 

  702. // CHECK:STDOUT:   impl: %T.ref as %.loc10_44 {
    703. 

  703. // CHECK:STDOUT:   !members:
    704. 

  704. // CHECK:STDOUT:     witness = file.%Z.impl_witness.loc10
    705. 

  705. // CHECK:STDOUT:   }
    706. 

  706. // CHECK:STDOUT: }
    707. 

  707. // CHECK:STDOUT:
    708. 

  708. // CHECK:STDOUT: generic impl @T.as.Z.impl.62c(%T.loc12_14.1: type) {
    709. 

  709. // CHECK:STDOUT:   %T.loc12_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc12_14.2 (constants.%T.8b3)]
    710. 

  710. // CHECK:STDOUT:   %Z_where.type: type = facet_type <@Z, @Z(constants.%C) where constants.%impl.elem0.e29 = %T.loc12_14.2> [symbolic = %Z_where.type (constants.%Z_where.type.692)]
    711. 

  711. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %Z_where.type [symbolic = %require_complete (constants.%require_complete.202)]
    712. 

  712. // CHECK:STDOUT:   %Z.impl_witness: <witness> = impl_witness file.%Z.impl_witness_table.loc12, @T.as.Z.impl.62c(%T.loc12_14.2) [symbolic = %Z.impl_witness (constants.%Z.impl_witness.093)]
    713. 

  713. // CHECK:STDOUT:
    714. 

  714. // CHECK:STDOUT: !definition:
    715. 

  715. // CHECK:STDOUT:
    716. 

  716. // CHECK:STDOUT:   impl: %T.ref.loc12_24 as %.loc12_34 {
    717. 

  717. // CHECK:STDOUT:   !members:
    718. 

  718. // CHECK:STDOUT:     witness = file.%Z.impl_witness.loc12
    719. 

  719. // CHECK:STDOUT:   }
    720. 

  720. // CHECK:STDOUT: }
    721. 

  721. // CHECK:STDOUT:
    722. 

  722. // CHECK:STDOUT: class @C {
    723. 

  723. // CHECK:STDOUT:   %Self.ref: type = name_ref Self, constants.%C [concrete = constants.%C]
    724. 

  724. // CHECK:STDOUT:   impl_decl @C.as.Destroy.impl [concrete] {} {}
    725. 

  725. // CHECK:STDOUT:   %Destroy.impl_witness_table = impl_witness_table (@C.as.Destroy.impl.%C.as.Destroy.impl.Op.decl), @C.as.Destroy.impl [concrete]
    726. 

  726. // CHECK:STDOUT:   %Destroy.impl_witness: <witness> = impl_witness %Destroy.impl_witness_table [concrete = constants.%Destroy.impl_witness]
    727. 

  727. // CHECK:STDOUT:   %complete_type: <witness> = complete_type_witness constants.%empty_struct_type [concrete = constants.%complete_type]
    728. 

  728. // CHECK:STDOUT:   complete_type_witness = %complete_type
    729. 

  729. // CHECK:STDOUT:
    730. 

  730. // CHECK:STDOUT: !members:
    731. 

  731. // CHECK:STDOUT:   .Self = constants.%C
    732. 

  732. // CHECK:STDOUT: }
    733. 

  733. // CHECK:STDOUT:
    734. 

  734. // CHECK:STDOUT: fn @C.as.Destroy.impl.Op(%self.param: %ptr.019) = "no_op";
    735. 

  735. // CHECK:STDOUT:
    736. 

  736. // CHECK:STDOUT: generic fn @F(%T.loc14_6.2: %Z.type.049) {
    737. 

  737. // CHECK:STDOUT:   %T.loc14_6.1: %Z.type.049 = bind_symbolic_name T, 0 [symbolic = %T.loc14_6.1 (constants.%T.62d)]
    738. 

  738. // CHECK:STDOUT:   %T.as_type.loc14_19.1: type = facet_access_type %T.loc14_6.1 [symbolic = %T.as_type.loc14_19.1 (constants.%T.as_type)]
    739. 

  739. // CHECK:STDOUT:   %pattern_type.loc14: type = pattern_type %T.as_type.loc14_19.1 [symbolic = %pattern_type.loc14 (constants.%pattern_type.d8b)]
    740. 

  740. // CHECK:STDOUT:
    741. 

  741. // CHECK:STDOUT: !definition:
    742. 

  742. // CHECK:STDOUT:   %require_complete.loc14: <witness> = require_complete_type %T.as_type.loc14_19.1 [symbolic = %require_complete.loc14 (constants.%require_complete.2b1)]
    743. 

  743. // CHECK:STDOUT:   %Z.lookup_impl_witness: <witness> = lookup_impl_witness %T.loc14_6.1, @Z, @Z(constants.%C) [symbolic = %Z.lookup_impl_witness (constants.%Z.lookup_impl_witness.103)]
    744. 

  744. // CHECK:STDOUT:   %impl.elem0.loc22_11.2: type = impl_witness_access %Z.lookup_impl_witness, element0 [symbolic = %impl.elem0.loc22_11.2 (constants.%impl.elem0.284)]
    745. 

  745. // CHECK:STDOUT:   %require_complete.loc22_11: <witness> = require_complete_type %impl.elem0.loc22_11.2 [symbolic = %require_complete.loc22_11 (constants.%require_complete.3ef)]
    746. 

  746. // CHECK:STDOUT:   %pattern_type.loc22: type = pattern_type %impl.elem0.loc22_11.2 [symbolic = %pattern_type.loc22 (constants.%pattern_type.722)]
    747. 

  747. // CHECK:STDOUT:   %ImplicitAs.type.loc22_16.2: type = facet_type <@ImplicitAs, @ImplicitAs(%impl.elem0.loc22_11.2)> [symbolic = %ImplicitAs.type.loc22_16.2 (constants.%ImplicitAs.type.199)]
    748. 

  748. // CHECK:STDOUT:   %require_complete.loc22_16: <witness> = require_complete_type %ImplicitAs.type.loc22_16.2 [symbolic = %require_complete.loc22_16 (constants.%require_complete.3ca)]
    749. 

  749. // CHECK:STDOUT:   %ImplicitAs.assoc_type: type = assoc_entity_type @ImplicitAs, @ImplicitAs(%impl.elem0.loc22_11.2) [symbolic = %ImplicitAs.assoc_type (constants.%ImplicitAs.assoc_type.bd9)]
    750. 

  750. // CHECK:STDOUT:   %assoc0: @F.%ImplicitAs.assoc_type (%ImplicitAs.assoc_type.bd9) = assoc_entity element0, imports.%Core.import_ref.1c7 [symbolic = %assoc0 (constants.%assoc0.428)]
    751. 

  751. // CHECK:STDOUT:
    752. 

  752. // CHECK:STDOUT:   fn(%t.param: @F.%T.as_type.loc14_19.1 (%T.as_type)) {
    753. 

  753. // CHECK:STDOUT:   !entry:
    754. 

  754. // CHECK:STDOUT:     name_binding_decl {
    755. 

  755. // CHECK:STDOUT:       %a.patt: @F.%pattern_type.loc22 (%pattern_type.722) = binding_pattern a [concrete]
    756. 

  756. // CHECK:STDOUT:     }
    757. 

  757. // CHECK:STDOUT:     %t.ref: @F.%T.as_type.loc14_19.1 (%T.as_type) = name_ref t, %t
    758. 

  758. // CHECK:STDOUT:     %.loc22_11.1: type = splice_block %impl.elem0.loc22_11.1 [symbolic = %impl.elem0.loc22_11.2 (constants.%impl.elem0.284)] {
    759. 

  759. // CHECK:STDOUT:       %T.ref.loc22: %Z.type.049 = name_ref T, %T.loc14_6.2 [symbolic = %T.loc14_6.1 (constants.%T.62d)]
    760. 

  760. // CHECK:STDOUT:       %.loc22_11.2: %Z.assoc_type.252 = specific_constant @X.%assoc0, @Z(constants.%C) [concrete = constants.%assoc0.ea4]
    761. 

  761. // CHECK:STDOUT:       %X.ref: %Z.assoc_type.252 = name_ref X, %.loc22_11.2 [concrete = constants.%assoc0.ea4]
    762. 

  762. // CHECK:STDOUT:       %T.as_type.loc22: type = facet_access_type %T.ref.loc22 [symbolic = %T.as_type.loc14_19.1 (constants.%T.as_type)]
    763. 

  763. // CHECK:STDOUT:       %.loc22_11.3: type = converted %T.ref.loc22, %T.as_type.loc22 [symbolic = %T.as_type.loc14_19.1 (constants.%T.as_type)]
    764. 

  764. // CHECK:STDOUT:       %impl.elem0.loc22_11.1: type = impl_witness_access constants.%Z.lookup_impl_witness.103, element0 [symbolic = %impl.elem0.loc22_11.2 (constants.%impl.elem0.284)]
    765. 

  765. // CHECK:STDOUT:     }
    766. 

  766. // CHECK:STDOUT:     %ImplicitAs.type.loc22_16.1: type = facet_type <@ImplicitAs, @ImplicitAs(constants.%impl.elem0.284)> [symbolic = %ImplicitAs.type.loc22_16.2 (constants.%ImplicitAs.type.199)]
    767. 

  767. // CHECK:STDOUT:     %.loc22_16.1: @F.%ImplicitAs.assoc_type (%ImplicitAs.assoc_type.bd9) = specific_constant imports.%Core.import_ref.492, @ImplicitAs(constants.%impl.elem0.284) [symbolic = %assoc0 (constants.%assoc0.428)]
    768. 

  768. // CHECK:STDOUT:     %Convert.ref: @F.%ImplicitAs.assoc_type (%ImplicitAs.assoc_type.bd9) = name_ref Convert, %.loc22_16.1 [symbolic = %assoc0 (constants.%assoc0.428)]
    769. 

  769. // CHECK:STDOUT:     %.loc22_16.2: @F.%impl.elem0.loc22_11.2 (%impl.elem0.284) = converted %t.ref, <error> [concrete = <error>]
    770. 

  770. // CHECK:STDOUT:     %a: @F.%impl.elem0.loc22_11.2 (%impl.elem0.284) = bind_name a, <error> [concrete = <error>]
    771. 

  771. // CHECK:STDOUT:     return
    772. 

  772. // CHECK:STDOUT:   }
    773. 

  773. // CHECK:STDOUT: }
    774. 

  774. // CHECK:STDOUT:
    775. 

  775. // CHECK:STDOUT: specific @Z(constants.%T.8b3) {
    776. 

  776. // CHECK:STDOUT:   %T.loc3_13.1 => constants.%T.8b3
    777. 

  777. // CHECK:STDOUT: }
    778. 

  778. // CHECK:STDOUT:
    779. 

  779. // CHECK:STDOUT: specific @X(constants.%T.8b3, constants.%Self.2bc) {}
    780. 

  780. // CHECK:STDOUT:
    781. 

  781. // CHECK:STDOUT: specific @Z(constants.%S) {
    782. 

  782. // CHECK:STDOUT:   %T.loc3_13.1 => constants.%S
    783. 

  783. // CHECK:STDOUT:
    784. 

  784. // CHECK:STDOUT: !definition:
    785. 

  785. // CHECK:STDOUT:   %Z.type => constants.%Z.type.8e9
    786. 

  786. // CHECK:STDOUT:   %Self.2 => constants.%Self.831
    787. 

  787. // CHECK:STDOUT:   %Z.assoc_type => constants.%Z.assoc_type.0e7
    788. 

  788. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.abb
    789. 

  789. // CHECK:STDOUT: }
    790. 

  790. // CHECK:STDOUT:
    791. 

  791. // CHECK:STDOUT: specific @X(constants.%S, constants.%Z.facet.4f7) {}
    792. 

  792. // CHECK:STDOUT:
    793. 

  793. // CHECK:STDOUT: specific @T.as.Z.impl.119(constants.%T.8b3, constants.%S) {
    794. 

  794. // CHECK:STDOUT:   %T.loc10_14.2 => constants.%T.8b3
    795. 

  795. // CHECK:STDOUT:   %S.loc10_24.2 => constants.%S
    796. 

  796. // CHECK:STDOUT:   %Z.type.loc10_42.2 => constants.%Z.type.8e9
    797. 

  797. // CHECK:STDOUT:   %.Self.4 => constants.%.Self.eb1
    798. 

  798. // CHECK:STDOUT:   %require_complete.loc10_50 => constants.%require_complete.b87
    799. 

  799. // CHECK:STDOUT:   %Z.assoc_type => constants.%Z.assoc_type.0e7
    800. 

  800. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.abb
    801. 

  801. // CHECK:STDOUT:   %.Self.as_type.loc10_50.2 => constants.%.Self.as_type.ffd
    802. 

  802. // CHECK:STDOUT:   %Z.lookup_impl_witness => constants.%Z.lookup_impl_witness.597
    803. 

  803. // CHECK:STDOUT:   %impl.elem0.loc10_50.2 => constants.%impl.elem0.240
    804. 

  804. // CHECK:STDOUT:   %Z_where.type => constants.%Z_where.type.80d
    805. 

  805. // CHECK:STDOUT:   %require_complete.loc10_44 => constants.%require_complete.9ea
    806. 

  806. // CHECK:STDOUT:   %Z.impl_witness => constants.%Z.impl_witness.d59
    807. 

  807. // CHECK:STDOUT: }
    808. 

  808. // CHECK:STDOUT:
    809. 

  809. // CHECK:STDOUT: specific @Z(constants.%C) {
    810. 

  810. // CHECK:STDOUT:   %T.loc3_13.1 => constants.%C
    811. 

  811. // CHECK:STDOUT:
    812. 

  812. // CHECK:STDOUT: !definition:
    813. 

  813. // CHECK:STDOUT:   %Z.type => constants.%Z.type.049
    814. 

  814. // CHECK:STDOUT:   %Self.2 => constants.%Self.a38
    815. 

  815. // CHECK:STDOUT:   %Z.assoc_type => constants.%Z.assoc_type.252
    816. 

  816. // CHECK:STDOUT:   %assoc0 => constants.%assoc0.ea4
    817. 

  817. // CHECK:STDOUT: }
    818. 

  818. // CHECK:STDOUT:
    819. 

  819. // CHECK:STDOUT: specific @X(constants.%C, constants.%Z.facet.eb4) {}
    820. 

  820. // CHECK:STDOUT:
    821. 

  821. // CHECK:STDOUT: specific @T.as.Z.impl.62c(constants.%T.8b3) {
    822. 

  822. // CHECK:STDOUT:   %T.loc12_14.2 => constants.%T.8b3
    823. 

  823. // CHECK:STDOUT:   %Z_where.type => constants.%Z_where.type.692
    824. 

  824. // CHECK:STDOUT:   %require_complete => constants.%require_complete.202
    825. 

  825. // CHECK:STDOUT:   %Z.impl_witness => constants.%Z.impl_witness.093
    826. 

  826. // CHECK:STDOUT: }
    827. 

  827. // CHECK:STDOUT:
    828. 

  828. // CHECK:STDOUT: specific @F(constants.%T.62d) {
    829. 

  829. // CHECK:STDOUT:   %T.loc14_6.1 => constants.%T.62d
    830. 

  830. // CHECK:STDOUT:   %T.as_type.loc14_19.1 => constants.%T.as_type
    831. 

  831. // CHECK:STDOUT:   %pattern_type.loc14 => constants.%pattern_type.d8b
    832. 

  832. // CHECK:STDOUT: }
    833. 

  833. // CHECK:STDOUT:
    834. 

  834. // CHECK:STDOUT: specific @X(constants.%C, constants.%Z.facet.5a7) {}
    835. 

  835. // CHECK:STDOUT:
    836. 

  836. // CHECK:STDOUT: --- final_impl_rewrite_of_symbolic_through_impl_lookup.carbon
    837. 

  837. // CHECK:STDOUT:
    838. 

  838. // CHECK:STDOUT: constants {
    839. 

  839. // CHECK:STDOUT:   %Ptr.type: type = facet_type <@Ptr> [concrete]
    840. 

  840. // CHECK:STDOUT:   %Self: %Ptr.type = bind_symbolic_name Self, 0 [symbolic]
    841. 

  841. // CHECK:STDOUT:   %.Self.644: type = bind_symbolic_name .Self [symbolic_self]
    842. 

  842. // CHECK:STDOUT:   %Ptr.assoc_type: type = assoc_entity_type @Ptr [concrete]
    843. 

  843. // CHECK:STDOUT:   %assoc0: %Ptr.assoc_type = assoc_entity element0, @Ptr.%Type [concrete]
    844. 

  844. // CHECK:STDOUT:   %U: type = bind_symbolic_name U, 0 [symbolic]
    845. 

  845. // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
    846. 

  846. // CHECK:STDOUT:   %.Self.8b4: %Ptr.type = bind_symbolic_name .Self [symbolic_self]
    847. 

  847. // CHECK:STDOUT:   %.Self.as_type: type = facet_access_type %.Self.8b4 [symbolic_self]
    848. 

  848. // CHECK:STDOUT:   %Ptr.lookup_impl_witness: <witness> = lookup_impl_witness %.Self.8b4, @Ptr [symbolic_self]
    849. 

  849. // CHECK:STDOUT:   %Ptr.facet.b6e: %Ptr.type = facet_value %.Self.as_type, (%Ptr.lookup_impl_witness) [symbolic_self]
    850. 

  850. // CHECK:STDOUT:   %impl.elem0: type = impl_witness_access %Ptr.lookup_impl_witness, element0 [symbolic_self]
    851. 

  851. // CHECK:STDOUT:   %ptr.79f131.1: type = ptr_type %U [symbolic]
    852. 

  852. // CHECK:STDOUT:   %Ptr_where.type.bd48cc.1: type = facet_type <@Ptr where %impl.elem0 = %ptr.79f131.1> [symbolic]
    853. 

  853. // CHECK:STDOUT:   %require_complete.465bad.1: <witness> = require_complete_type %Ptr_where.type.bd48cc.1 [symbolic]
    854. 

  854. // CHECK:STDOUT:   %Ptr.impl_witness.e8ce81.1: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%U) [symbolic]
    855. 

  855. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
    856. 

  856. // CHECK:STDOUT:   %pattern_type.7dc: type = pattern_type %T [symbolic]
    857. 

  857. // CHECK:STDOUT:   %ptr.79f131.2: type = ptr_type %T [symbolic]
    858. 

  858. // CHECK:STDOUT:   %Ptr_where.type.bd48cc.2: type = facet_type <@Ptr where %impl.elem0 = %ptr.79f131.2> [symbolic]
    859. 

  859. // CHECK:STDOUT:   %require_complete.465bad.2: <witness> = require_complete_type %Ptr_where.type.bd48cc.2 [symbolic]
    860. 

  860. // CHECK:STDOUT:   %Ptr.impl_witness.e8ce81.2: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%T) [symbolic]
    861. 

  861. // CHECK:STDOUT:   %Ptr.facet.bbf: %Ptr.type = facet_value %T, (%Ptr.impl_witness.e8ce81.2) [symbolic]
    862. 

  862. // CHECK:STDOUT:   %pattern_type.afe: type = pattern_type %ptr.79f131.2 [symbolic]
    863. 

  863. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    864. 

  864. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    865. 

  865. // CHECK:STDOUT:   %require_complete.6e5: <witness> = require_complete_type %ptr.79f131.2 [symbolic]
    866. 

  866. // CHECK:STDOUT:   %require_complete.4ae: <witness> = require_complete_type %T [symbolic]
    867. 

  867. // CHECK:STDOUT: }
    868. 

  868. // CHECK:STDOUT:
    869. 

  869. // CHECK:STDOUT: imports {
    870. 

  870. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    871. 

  871. // CHECK:STDOUT:     import Core//prelude
    872. 

  872. // CHECK:STDOUT:     import Core//prelude/...
    873. 

  873. // CHECK:STDOUT:   }
    874. 

  874. // CHECK:STDOUT: }
    875. 

  875. // CHECK:STDOUT:
    876. 

  876. // CHECK:STDOUT: file {
    877. 

  877. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    878. 

  878. // CHECK:STDOUT:     .Core = imports.%Core
    879. 

  879. // CHECK:STDOUT:     .Ptr = %Ptr.decl
    880. 

  880. // CHECK:STDOUT:     .F = %F.decl
    881. 

  881. // CHECK:STDOUT:   }
    882. 

  882. // CHECK:STDOUT:   %Core.import = import Core
    883. 

  883. // CHECK:STDOUT:   %Ptr.decl: type = interface_decl @Ptr [concrete = constants.%Ptr.type] {} {}
    884. 

  884. // CHECK:STDOUT:   impl_decl @U.as.Ptr.impl [concrete] {
    885. 

  885. // CHECK:STDOUT:     %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 0 [concrete]
    886. 

  886. // CHECK:STDOUT:   } {
    887. 

  887. // CHECK:STDOUT:     %U.ref.loc7_30: type = name_ref U, %U.loc7_20.1 [symbolic = %U.loc7_20.2 (constants.%U)]
    888. 

  888. // CHECK:STDOUT:     %Ptr.ref: type = name_ref Ptr, file.%Ptr.decl [concrete = constants.%Ptr.type]
    889. 

  889. // CHECK:STDOUT:     %.Self.1: %Ptr.type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.8b4]
    890. 

  890. // CHECK:STDOUT:     %.Self.ref: %Ptr.type = name_ref .Self, %.Self.1 [symbolic_self = constants.%.Self.8b4]
    891. 

  891. // CHECK:STDOUT:     %Type.ref: %Ptr.assoc_type = name_ref Type, @Type.%assoc0 [concrete = constants.%assoc0]
    892. 

  892. // CHECK:STDOUT:     %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.as_type]
    893. 

  893. // CHECK:STDOUT:     %.loc7_45: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.as_type]
    894. 

  894. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Ptr.lookup_impl_witness, element0 [symbolic_self = constants.%impl.elem0]
    895. 

  895. // CHECK:STDOUT:     %U.ref.loc7_53: type = name_ref U, %U.loc7_20.1 [symbolic = %U.loc7_20.2 (constants.%U)]
    896. 

  896. // CHECK:STDOUT:     %ptr.loc7_54.1: type = ptr_type %U.ref.loc7_53 [symbolic = %ptr.loc7_54.2 (constants.%ptr.79f131.1)]
    897. 

  897. // CHECK:STDOUT:     %.loc7_39: type = where_expr %.Self.1 [symbolic = %Ptr_where.type (constants.%Ptr_where.type.bd48cc.1)] {
    898. 

  898. // CHECK:STDOUT:       requirement_base_facet_type constants.%Ptr.type
    899. 

  899. // CHECK:STDOUT:       requirement_rewrite %impl.elem0, %ptr.loc7_54.1
    900. 

  900. // CHECK:STDOUT:     }
    901. 

  901. // CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    902. 

  902. // CHECK:STDOUT:     %U.loc7_20.1: type = bind_symbolic_name U, 0 [symbolic = %U.loc7_20.2 (constants.%U)]
    903. 

  903. // CHECK:STDOUT:   }
    904. 

  904. // CHECK:STDOUT:   %Ptr.impl_witness_table = impl_witness_table (%impl_witness_assoc_constant), @U.as.Ptr.impl [concrete]
    905. 

  905. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness %Ptr.impl_witness_table, @U.as.Ptr.impl(constants.%U) [symbolic = @U.as.Ptr.impl.%Ptr.impl_witness (constants.%Ptr.impl_witness.e8ce81.1)]
    906. 

  906. // CHECK:STDOUT:   %impl_witness_assoc_constant: type = impl_witness_assoc_constant constants.%ptr.79f131.1 [symbolic = @U.as.Ptr.impl.%ptr.loc7_54.2 (constants.%ptr.79f131.1)]
    907. 

  907. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    908. 

  908. // CHECK:STDOUT:     %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
    909. 

  909. // CHECK:STDOUT:     %t.patt: @F.%pattern_type.loc9_20 (%pattern_type.7dc) = binding_pattern t [concrete]
    910. 

  910. // CHECK:STDOUT:     %t.param_patt: @F.%pattern_type.loc9_20 (%pattern_type.7dc) = ref_param_pattern %t.patt, call_param0 [concrete]
    911. 

  911. // CHECK:STDOUT:     %t.var_patt: @F.%pattern_type.loc9_20 (%pattern_type.7dc) = var_pattern %t.param_patt [concrete]
    912. 

  912. // CHECK:STDOUT:     %return.patt: @F.%pattern_type.loc9_26 (%pattern_type.afe) = return_slot_pattern [concrete]
    913. 

  913. // CHECK:STDOUT:     %return.param_patt: @F.%pattern_type.loc9_26 (%pattern_type.afe) = out_param_pattern %return.patt, call_param1 [concrete]
    914. 

  914. // CHECK:STDOUT:   } {
    915. 

  915. // CHECK:STDOUT:     %T.ref.loc9_29: type = name_ref T, %T.loc9_6.2 [symbolic = %T.loc9_6.1 (constants.%T)]
    916. 

  916. // CHECK:STDOUT:     %Ptr.ref: type = name_ref Ptr, file.%Ptr.decl [concrete = constants.%Ptr.type]
    917. 

  917. // CHECK:STDOUT:     %Type.ref: %Ptr.assoc_type = name_ref Type, @Type.%assoc0 [concrete = constants.%assoc0]
    918. 

  918. // CHECK:STDOUT:     %Ptr.facet.loc9_30.2: %Ptr.type = facet_value constants.%T, (constants.%Ptr.impl_witness.e8ce81.2) [symbolic = %Ptr.facet.loc9_30.1 (constants.%Ptr.facet.bbf)]
    919. 

  919. // CHECK:STDOUT:     %.loc9: %Ptr.type = converted %T.ref.loc9_29, %Ptr.facet.loc9_30.2 [symbolic = %Ptr.facet.loc9_30.1 (constants.%Ptr.facet.bbf)]
    920. 

  920. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Ptr.impl_witness.e8ce81.2, element0 [symbolic = %ptr (constants.%ptr.79f131.2)]
    921. 

  921. // CHECK:STDOUT:     %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    922. 

  922. // CHECK:STDOUT:     %T.loc9_6.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc9_6.1 (constants.%T)]
    923. 

  923. // CHECK:STDOUT:     %t.param: ref @F.%T.loc9_6.1 (%T) = ref_param call_param0
    924. 

  924. // CHECK:STDOUT:     %T.ref.loc9_23: type = name_ref T, %T.loc9_6.2 [symbolic = %T.loc9_6.1 (constants.%T)]
    925. 

  925. // CHECK:STDOUT:     %t: ref @F.%T.loc9_6.1 (%T) = bind_name t, %t.param
    926. 

  926. // CHECK:STDOUT:     %return.param: ref @F.%ptr (%ptr.79f131.2) = out_param call_param1
    927. 

  927. // CHECK:STDOUT:     %return: ref @F.%ptr (%ptr.79f131.2) = return_slot %return.param
    928. 

  928. // CHECK:STDOUT:   }
    929. 

  929. // CHECK:STDOUT: }
    930. 

  930. // CHECK:STDOUT:
    931. 

  931. // CHECK:STDOUT: interface @Ptr {
    932. 

  932. // CHECK:STDOUT:   %Self: %Ptr.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    933. 

  933. // CHECK:STDOUT:   %Type: type = assoc_const_decl @Type [concrete] {
    934. 

  934. // CHECK:STDOUT:     %assoc0: %Ptr.assoc_type = assoc_entity element0, @Ptr.%Type [concrete = constants.%assoc0]
    935. 

  935. // CHECK:STDOUT:   }
    936. 

  936. // CHECK:STDOUT:
    937. 

  937. // CHECK:STDOUT: !members:
    938. 

  938. // CHECK:STDOUT:   .Self = %Self
    939. 

  939. // CHECK:STDOUT:   .Type = @Type.%assoc0
    940. 

  940. // CHECK:STDOUT:   witness = (%Type)
    941. 

  941. // CHECK:STDOUT: }
    942. 

  942. // CHECK:STDOUT:
    943. 

  943. // CHECK:STDOUT: generic assoc_const @Type(@Ptr.%Self: %Ptr.type) {
    944. 

  944. // CHECK:STDOUT:   assoc_const Type:! type;
    945. 

  945. // CHECK:STDOUT: }
    946. 

  946. // CHECK:STDOUT:
    947. 

  947. // CHECK:STDOUT: generic impl @U.as.Ptr.impl(%U.loc7_20.1: type) {
    948. 

  948. // CHECK:STDOUT:   %U.loc7_20.2: type = bind_symbolic_name U, 0 [symbolic = %U.loc7_20.2 (constants.%U)]
    949. 

  949. // CHECK:STDOUT:   %ptr.loc7_54.2: type = ptr_type %U.loc7_20.2 [symbolic = %ptr.loc7_54.2 (constants.%ptr.79f131.1)]
    950. 

  950. // CHECK:STDOUT:   %Ptr_where.type: type = facet_type <@Ptr where constants.%impl.elem0 = %ptr.loc7_54.2> [symbolic = %Ptr_where.type (constants.%Ptr_where.type.bd48cc.1)]
    951. 

  951. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %Ptr_where.type [symbolic = %require_complete (constants.%require_complete.465bad.1)]
    952. 

  952. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%U.loc7_20.2) [symbolic = %Ptr.impl_witness (constants.%Ptr.impl_witness.e8ce81.1)]
    953. 

  953. // CHECK:STDOUT:
    954. 

  954. // CHECK:STDOUT: !definition:
    955. 

  955. // CHECK:STDOUT:
    956. 

  956. // CHECK:STDOUT:   impl: %U.ref.loc7_30 as %.loc7_39 {
    957. 

  957. // CHECK:STDOUT:   !members:
    958. 

  958. // CHECK:STDOUT:     witness = file.%Ptr.impl_witness
    959. 

  959. // CHECK:STDOUT:   }
    960. 

  960. // CHECK:STDOUT: }
    961. 

  961. // CHECK:STDOUT:
    962. 

  962. // CHECK:STDOUT: generic fn @F(%T.loc9_6.2: type) {
    963. 

  963. // CHECK:STDOUT:   %T.loc9_6.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc9_6.1 (constants.%T)]
    964. 

  964. // CHECK:STDOUT:   %pattern_type.loc9_20: type = pattern_type %T.loc9_6.1 [symbolic = %pattern_type.loc9_20 (constants.%pattern_type.7dc)]
    965. 

  965. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%T.loc9_6.1) [symbolic = %Ptr.impl_witness (constants.%Ptr.impl_witness.e8ce81.2)]
    966. 

  966. // CHECK:STDOUT:   %Ptr.facet.loc9_30.1: %Ptr.type = facet_value %T.loc9_6.1, (%Ptr.impl_witness) [symbolic = %Ptr.facet.loc9_30.1 (constants.%Ptr.facet.bbf)]
    967. 

  967. // CHECK:STDOUT:   %ptr: type = ptr_type %T.loc9_6.1 [symbolic = %ptr (constants.%ptr.79f131.2)]
    968. 

  968. // CHECK:STDOUT:   %pattern_type.loc9_26: type = pattern_type %ptr [symbolic = %pattern_type.loc9_26 (constants.%pattern_type.afe)]
    969. 

  969. // CHECK:STDOUT:
    970. 

  970. // CHECK:STDOUT: !definition:
    971. 

  971. // CHECK:STDOUT:   %require_complete.loc9_26: <witness> = require_complete_type %ptr [symbolic = %require_complete.loc9_26 (constants.%require_complete.6e5)]
    972. 

  972. // CHECK:STDOUT:   %require_complete.loc9_16: <witness> = require_complete_type %T.loc9_6.1 [symbolic = %require_complete.loc9_16 (constants.%require_complete.4ae)]
    973. 

  973. // CHECK:STDOUT:
    974. 

  974. // CHECK:STDOUT:   fn(%t.param: @F.%T.loc9_6.1 (%T)) -> @F.%ptr (%ptr.79f131.2) {
    975. 

  975. // CHECK:STDOUT:   !entry:
    976. 

  976. // CHECK:STDOUT:     %t.ref: ref @F.%T.loc9_6.1 (%T) = name_ref t, %t
    977. 

  977. // CHECK:STDOUT:     %addr: @F.%ptr (%ptr.79f131.2) = addr_of %t.ref
    978. 

  978. // CHECK:STDOUT:     return %addr
    979. 

  979. // CHECK:STDOUT:   }
    980. 

  980. // CHECK:STDOUT: }
    981. 

  981. // CHECK:STDOUT:
    982. 

  982. // CHECK:STDOUT: specific @Type(constants.%Self) {}
    983. 

  983. // CHECK:STDOUT:
    984. 

  984. // CHECK:STDOUT: specific @Type(constants.%Ptr.facet.b6e) {}
    985. 

  985. // CHECK:STDOUT:
    986. 

  986. // CHECK:STDOUT: specific @U.as.Ptr.impl(constants.%U) {
    987. 

  987. // CHECK:STDOUT:   %U.loc7_20.2 => constants.%U
    988. 

  988. // CHECK:STDOUT:   %ptr.loc7_54.2 => constants.%ptr.79f131.1
    989. 

  989. // CHECK:STDOUT:   %Ptr_where.type => constants.%Ptr_where.type.bd48cc.1
    990. 

  990. // CHECK:STDOUT:   %require_complete => constants.%require_complete.465bad.1
    991. 

  991. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.e8ce81.1
    992. 

  992. // CHECK:STDOUT: }
    993. 

  993. // CHECK:STDOUT:
    994. 

  994. // CHECK:STDOUT: specific @U.as.Ptr.impl(constants.%T) {
    995. 

  995. // CHECK:STDOUT:   %U.loc7_20.2 => constants.%T
    996. 

  996. // CHECK:STDOUT:   %ptr.loc7_54.2 => constants.%ptr.79f131.2
    997. 

  997. // CHECK:STDOUT:   %Ptr_where.type => constants.%Ptr_where.type.bd48cc.2
    998. 

  998. // CHECK:STDOUT:   %require_complete => constants.%require_complete.465bad.2
    999. 

  999. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.e8ce81.2
    1000. 

  1000. // CHECK:STDOUT:
    1001. 

  1001. // CHECK:STDOUT: !definition:
    1002. 

  1002. // CHECK:STDOUT: }
    1003. 

  1003. // CHECK:STDOUT:
    1004. 

  1004. // CHECK:STDOUT: specific @Type(constants.%Ptr.facet.bbf) {}
    1005. 

  1005. // CHECK:STDOUT:
    1006. 

  1006. // CHECK:STDOUT: specific @F(constants.%T) {
    1007. 

  1007. // CHECK:STDOUT:   %T.loc9_6.1 => constants.%T
    1008. 

  1008. // CHECK:STDOUT:   %pattern_type.loc9_20 => constants.%pattern_type.7dc
    1009. 

  1009. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.e8ce81.2
    1010. 

  1010. // CHECK:STDOUT:   %Ptr.facet.loc9_30.1 => constants.%Ptr.facet.bbf
    1011. 

  1011. // CHECK:STDOUT:   %ptr => constants.%ptr.79f131.2
    1012. 

  1012. // CHECK:STDOUT:   %pattern_type.loc9_26 => constants.%pattern_type.afe
    1013. 

  1013. // CHECK:STDOUT: }
    1014. 

  1014. // CHECK:STDOUT:
    1015. 

  1015. // CHECK:STDOUT: --- final_impl_rewrite_of_symbolic_through_facet_access_type.carbon
    1016. 

  1016. // CHECK:STDOUT:
    1017. 

  1017. // CHECK:STDOUT: constants {
    1018. 

  1018. // CHECK:STDOUT:   %Ptr.type: type = facet_type <@Ptr> [concrete]
    1019. 

  1019. // CHECK:STDOUT:   %Self: %Ptr.type = bind_symbolic_name Self, 0 [symbolic]
    1020. 

  1020. // CHECK:STDOUT:   %.Self.644: type = bind_symbolic_name .Self [symbolic_self]
    1021. 

  1021. // CHECK:STDOUT:   %Ptr.assoc_type: type = assoc_entity_type @Ptr [concrete]
    1022. 

  1022. // CHECK:STDOUT:   %assoc0: %Ptr.assoc_type = assoc_entity element0, @Ptr.%Type [concrete]
    1023. 

  1023. // CHECK:STDOUT:   %U: type = bind_symbolic_name U, 0 [symbolic]
    1024. 

  1024. // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
    1025. 

  1025. // CHECK:STDOUT:   %.Self.8b4: %Ptr.type = bind_symbolic_name .Self [symbolic_self]
    1026. 

  1026. // CHECK:STDOUT:   %.Self.as_type: type = facet_access_type %.Self.8b4 [symbolic_self]
    1027. 

  1027. // CHECK:STDOUT:   %Ptr.lookup_impl_witness: <witness> = lookup_impl_witness %.Self.8b4, @Ptr [symbolic_self]
    1028. 

  1028. // CHECK:STDOUT:   %Ptr.facet.b6e: %Ptr.type = facet_value %.Self.as_type, (%Ptr.lookup_impl_witness) [symbolic_self]
    1029. 

  1029. // CHECK:STDOUT:   %impl.elem0: type = impl_witness_access %Ptr.lookup_impl_witness, element0 [symbolic_self]
    1030. 

  1030. // CHECK:STDOUT:   %ptr.79f: type = ptr_type %U [symbolic]
    1031. 

  1031. // CHECK:STDOUT:   %Ptr_where.type.bd4: type = facet_type <@Ptr where %impl.elem0 = %ptr.79f> [symbolic]
    1032. 

  1032. // CHECK:STDOUT:   %require_complete.465: <witness> = require_complete_type %Ptr_where.type.bd4 [symbolic]
    1033. 

  1033. // CHECK:STDOUT:   %Ptr.impl_witness.e8c: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%U) [symbolic]
    1034. 

  1034. // CHECK:STDOUT:   %T: %Ptr.type = bind_symbolic_name T, 0 [symbolic]
    1035. 

  1035. // CHECK:STDOUT:   %pattern_type.9bb: type = pattern_type %Ptr.type [concrete]
    1036. 

  1036. // CHECK:STDOUT:   %T.as_type: type = facet_access_type %T [symbolic]
    1037. 

  1037. // CHECK:STDOUT:   %pattern_type.87e: type = pattern_type %T.as_type [symbolic]
    1038. 

  1038. // CHECK:STDOUT:   %ptr.900: type = ptr_type %T.as_type [symbolic]
    1039. 

  1039. // CHECK:STDOUT:   %Ptr_where.type.0d6: type = facet_type <@Ptr where %impl.elem0 = %ptr.900> [symbolic]
    1040. 

  1040. // CHECK:STDOUT:   %require_complete.d01: <witness> = require_complete_type %Ptr_where.type.0d6 [symbolic]
    1041. 

  1041. // CHECK:STDOUT:   %Ptr.impl_witness.5aa: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%T.as_type) [symbolic]
    1042. 

  1042. // CHECK:STDOUT:   %Ptr.facet.db8: %Ptr.type = facet_value %T.as_type, (%Ptr.impl_witness.5aa) [symbolic]
    1043. 

  1043. // CHECK:STDOUT:   %pattern_type.a95: type = pattern_type %ptr.900 [symbolic]
    1044. 

  1044. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    1045. 

  1045. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    1046. 

  1046. // CHECK:STDOUT:   %require_complete.df6: <witness> = require_complete_type %ptr.900 [symbolic]
    1047. 

  1047. // CHECK:STDOUT:   %require_complete.020: <witness> = require_complete_type %T.as_type [symbolic]
    1048. 

  1048. // CHECK:STDOUT: }
    1049. 

  1049. // CHECK:STDOUT:
    1050. 

  1050. // CHECK:STDOUT: imports {
    1051. 

  1051. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    1052. 

  1052. // CHECK:STDOUT:     import Core//prelude
    1053. 

  1053. // CHECK:STDOUT:     import Core//prelude/...
    1054. 

  1054. // CHECK:STDOUT:   }
    1055. 

  1055. // CHECK:STDOUT: }
    1056. 

  1056. // CHECK:STDOUT:
    1057. 

  1057. // CHECK:STDOUT: file {
    1058. 

  1058. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    1059. 

  1059. // CHECK:STDOUT:     .Core = imports.%Core
    1060. 

  1060. // CHECK:STDOUT:     .Ptr = %Ptr.decl
    1061. 

  1061. // CHECK:STDOUT:     .F = %F.decl
    1062. 

  1062. // CHECK:STDOUT:   }
    1063. 

  1063. // CHECK:STDOUT:   %Core.import = import Core
    1064. 

  1064. // CHECK:STDOUT:   %Ptr.decl: type = interface_decl @Ptr [concrete = constants.%Ptr.type] {} {}
    1065. 

  1065. // CHECK:STDOUT:   impl_decl @U.as.Ptr.impl [concrete] {
    1066. 

  1066. // CHECK:STDOUT:     %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 0 [concrete]
    1067. 

  1067. // CHECK:STDOUT:   } {
    1068. 

  1068. // CHECK:STDOUT:     %U.ref.loc7_30: type = name_ref U, %U.loc7_20.1 [symbolic = %U.loc7_20.2 (constants.%U)]
    1069. 

  1069. // CHECK:STDOUT:     %Ptr.ref: type = name_ref Ptr, file.%Ptr.decl [concrete = constants.%Ptr.type]
    1070. 

  1070. // CHECK:STDOUT:     %.Self.1: %Ptr.type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.8b4]
    1071. 

  1071. // CHECK:STDOUT:     %.Self.ref: %Ptr.type = name_ref .Self, %.Self.1 [symbolic_self = constants.%.Self.8b4]
    1072. 

  1072. // CHECK:STDOUT:     %Type.ref: %Ptr.assoc_type = name_ref Type, @Type.%assoc0 [concrete = constants.%assoc0]
    1073. 

  1073. // CHECK:STDOUT:     %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.as_type]
    1074. 

  1074. // CHECK:STDOUT:     %.loc7_45: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.as_type]
    1075. 

  1075. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Ptr.lookup_impl_witness, element0 [symbolic_self = constants.%impl.elem0]
    1076. 

  1076. // CHECK:STDOUT:     %U.ref.loc7_53: type = name_ref U, %U.loc7_20.1 [symbolic = %U.loc7_20.2 (constants.%U)]
    1077. 

  1077. // CHECK:STDOUT:     %ptr.loc7_54.1: type = ptr_type %U.ref.loc7_53 [symbolic = %ptr.loc7_54.2 (constants.%ptr.79f)]
    1078. 

  1078. // CHECK:STDOUT:     %.loc7_39: type = where_expr %.Self.1 [symbolic = %Ptr_where.type (constants.%Ptr_where.type.bd4)] {
    1079. 

  1079. // CHECK:STDOUT:       requirement_base_facet_type constants.%Ptr.type
    1080. 

  1080. // CHECK:STDOUT:       requirement_rewrite %impl.elem0, %ptr.loc7_54.1
    1081. 

  1081. // CHECK:STDOUT:     }
    1082. 

  1082. // CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    1083. 

  1083. // CHECK:STDOUT:     %U.loc7_20.1: type = bind_symbolic_name U, 0 [symbolic = %U.loc7_20.2 (constants.%U)]
    1084. 

  1084. // CHECK:STDOUT:   }
    1085. 

  1085. // CHECK:STDOUT:   %Ptr.impl_witness_table = impl_witness_table (%impl_witness_assoc_constant), @U.as.Ptr.impl [concrete]
    1086. 

  1086. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness %Ptr.impl_witness_table, @U.as.Ptr.impl(constants.%U) [symbolic = @U.as.Ptr.impl.%Ptr.impl_witness (constants.%Ptr.impl_witness.e8c)]
    1087. 

  1087. // CHECK:STDOUT:   %impl_witness_assoc_constant: type = impl_witness_assoc_constant constants.%ptr.79f [symbolic = @U.as.Ptr.impl.%ptr.loc7_54.2 (constants.%ptr.79f)]
    1088. 

  1088. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    1089. 

  1089. // CHECK:STDOUT:     %T.patt: %pattern_type.9bb = symbolic_binding_pattern T, 0 [concrete]
    1090. 

  1090. // CHECK:STDOUT:     %t.patt: @F.%pattern_type.loc9_19 (%pattern_type.87e) = binding_pattern t [concrete]
    1091. 

  1091. // CHECK:STDOUT:     %t.param_patt: @F.%pattern_type.loc9_19 (%pattern_type.87e) = ref_param_pattern %t.patt, call_param0 [concrete]
    1092. 

  1092. // CHECK:STDOUT:     %t.var_patt: @F.%pattern_type.loc9_19 (%pattern_type.87e) = var_pattern %t.param_patt [concrete]
    1093. 

  1093. // CHECK:STDOUT:     %return.patt: @F.%pattern_type.loc9_25 (%pattern_type.a95) = return_slot_pattern [concrete]
    1094. 

  1094. // CHECK:STDOUT:     %return.param_patt: @F.%pattern_type.loc9_25 (%pattern_type.a95) = out_param_pattern %return.patt, call_param1 [concrete]
    1095. 

  1095. // CHECK:STDOUT:   } {
    1096. 

  1096. // CHECK:STDOUT:     %T.ref.loc9_28: %Ptr.type = name_ref T, %T.loc9_6.2 [symbolic = %T.loc9_6.1 (constants.%T)]
    1097. 

  1097. // CHECK:STDOUT:     %Type.ref: %Ptr.assoc_type = name_ref Type, @Type.%assoc0 [concrete = constants.%assoc0]
    1098. 

  1098. // CHECK:STDOUT:     %T.as_type.loc9_29.1: type = facet_access_type %T.ref.loc9_28 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1099. 

  1099. // CHECK:STDOUT:     %.loc9_29.1: type = converted %T.ref.loc9_28, %T.as_type.loc9_29.1 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1100. 

  1100. // CHECK:STDOUT:     %T.as_type.loc9_29.2: type = facet_access_type constants.%T [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1101. 

  1101. // CHECK:STDOUT:     %.loc9_29.2: type = converted constants.%T, %T.as_type.loc9_29.2 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1102. 

  1102. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Ptr.impl_witness.5aa, element0 [symbolic = %ptr (constants.%ptr.900)]
    1103. 

  1103. // CHECK:STDOUT:     %.loc9_10: type = splice_block %Ptr.ref [concrete = constants.%Ptr.type] {
    1104. 

  1104. // CHECK:STDOUT:       %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    1105. 

  1105. // CHECK:STDOUT:       %Ptr.ref: type = name_ref Ptr, file.%Ptr.decl [concrete = constants.%Ptr.type]
    1106. 

  1106. // CHECK:STDOUT:     }
    1107. 

  1107. // CHECK:STDOUT:     %T.loc9_6.2: %Ptr.type = bind_symbolic_name T, 0 [symbolic = %T.loc9_6.1 (constants.%T)]
    1108. 

  1108. // CHECK:STDOUT:     %t.param: ref @F.%T.as_type.loc9_22.1 (%T.as_type) = ref_param call_param0
    1109. 

  1109. // CHECK:STDOUT:     %.loc9_22.1: type = splice_block %.loc9_22.2 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)] {
    1110. 

  1110. // CHECK:STDOUT:       %T.ref.loc9_22: %Ptr.type = name_ref T, %T.loc9_6.2 [symbolic = %T.loc9_6.1 (constants.%T)]
    1111. 

  1111. // CHECK:STDOUT:       %T.as_type.loc9_22.2: type = facet_access_type %T.ref.loc9_22 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1112. 

  1112. // CHECK:STDOUT:       %.loc9_22.2: type = converted %T.ref.loc9_22, %T.as_type.loc9_22.2 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1113. 

  1113. // CHECK:STDOUT:     }
    1114. 

  1114. // CHECK:STDOUT:     %t: ref @F.%T.as_type.loc9_22.1 (%T.as_type) = bind_name t, %t.param
    1115. 

  1115. // CHECK:STDOUT:     %return.param: ref @F.%ptr (%ptr.900) = out_param call_param1
    1116. 

  1116. // CHECK:STDOUT:     %return: ref @F.%ptr (%ptr.900) = return_slot %return.param
    1117. 

  1117. // CHECK:STDOUT:   }
    1118. 

  1118. // CHECK:STDOUT: }
    1119. 

  1119. // CHECK:STDOUT:
    1120. 

  1120. // CHECK:STDOUT: interface @Ptr {
    1121. 

  1121. // CHECK:STDOUT:   %Self: %Ptr.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    1122. 

  1122. // CHECK:STDOUT:   %Type: type = assoc_const_decl @Type [concrete] {
    1123. 

  1123. // CHECK:STDOUT:     %assoc0: %Ptr.assoc_type = assoc_entity element0, @Ptr.%Type [concrete = constants.%assoc0]
    1124. 

  1124. // CHECK:STDOUT:   }
    1125. 

  1125. // CHECK:STDOUT:
    1126. 

  1126. // CHECK:STDOUT: !members:
    1127. 

  1127. // CHECK:STDOUT:   .Self = %Self
    1128. 

  1128. // CHECK:STDOUT:   .Type = @Type.%assoc0
    1129. 

  1129. // CHECK:STDOUT:   witness = (%Type)
    1130. 

  1130. // CHECK:STDOUT: }
    1131. 

  1131. // CHECK:STDOUT:
    1132. 

  1132. // CHECK:STDOUT: generic assoc_const @Type(@Ptr.%Self: %Ptr.type) {
    1133. 

  1133. // CHECK:STDOUT:   assoc_const Type:! type;
    1134. 

  1134. // CHECK:STDOUT: }
    1135. 

  1135. // CHECK:STDOUT:
    1136. 

  1136. // CHECK:STDOUT: generic impl @U.as.Ptr.impl(%U.loc7_20.1: type) {
    1137. 

  1137. // CHECK:STDOUT:   %U.loc7_20.2: type = bind_symbolic_name U, 0 [symbolic = %U.loc7_20.2 (constants.%U)]
    1138. 

  1138. // CHECK:STDOUT:   %ptr.loc7_54.2: type = ptr_type %U.loc7_20.2 [symbolic = %ptr.loc7_54.2 (constants.%ptr.79f)]
    1139. 

  1139. // CHECK:STDOUT:   %Ptr_where.type: type = facet_type <@Ptr where constants.%impl.elem0 = %ptr.loc7_54.2> [symbolic = %Ptr_where.type (constants.%Ptr_where.type.bd4)]
    1140. 

  1140. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %Ptr_where.type [symbolic = %require_complete (constants.%require_complete.465)]
    1141. 

  1141. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%U.loc7_20.2) [symbolic = %Ptr.impl_witness (constants.%Ptr.impl_witness.e8c)]
    1142. 

  1142. // CHECK:STDOUT:
    1143. 

  1143. // CHECK:STDOUT: !definition:
    1144. 

  1144. // CHECK:STDOUT:
    1145. 

  1145. // CHECK:STDOUT:   impl: %U.ref.loc7_30 as %.loc7_39 {
    1146. 

  1146. // CHECK:STDOUT:   !members:
    1147. 

  1147. // CHECK:STDOUT:     witness = file.%Ptr.impl_witness
    1148. 

  1148. // CHECK:STDOUT:   }
    1149. 

  1149. // CHECK:STDOUT: }
    1150. 

  1150. // CHECK:STDOUT:
    1151. 

  1151. // CHECK:STDOUT: generic fn @F(%T.loc9_6.2: %Ptr.type) {
    1152. 

  1152. // CHECK:STDOUT:   %T.loc9_6.1: %Ptr.type = bind_symbolic_name T, 0 [symbolic = %T.loc9_6.1 (constants.%T)]
    1153. 

  1153. // CHECK:STDOUT:   %T.as_type.loc9_22.1: type = facet_access_type %T.loc9_6.1 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1154. 

  1154. // CHECK:STDOUT:   %pattern_type.loc9_19: type = pattern_type %T.as_type.loc9_22.1 [symbolic = %pattern_type.loc9_19 (constants.%pattern_type.87e)]
    1155. 

  1155. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%T.as_type.loc9_22.1) [symbolic = %Ptr.impl_witness (constants.%Ptr.impl_witness.5aa)]
    1156. 

  1156. // CHECK:STDOUT:   %ptr: type = ptr_type %T.as_type.loc9_22.1 [symbolic = %ptr (constants.%ptr.900)]
    1157. 

  1157. // CHECK:STDOUT:   %pattern_type.loc9_25: type = pattern_type %ptr [symbolic = %pattern_type.loc9_25 (constants.%pattern_type.a95)]
    1158. 

  1158. // CHECK:STDOUT:
    1159. 

  1159. // CHECK:STDOUT: !definition:
    1160. 

  1160. // CHECK:STDOUT:   %require_complete.loc9_25: <witness> = require_complete_type %ptr [symbolic = %require_complete.loc9_25 (constants.%require_complete.df6)]
    1161. 

  1161. // CHECK:STDOUT:   %require_complete.loc9_15: <witness> = require_complete_type %T.as_type.loc9_22.1 [symbolic = %require_complete.loc9_15 (constants.%require_complete.020)]
    1162. 

  1162. // CHECK:STDOUT:
    1163. 

  1163. // CHECK:STDOUT:   fn(%t.param: @F.%T.as_type.loc9_22.1 (%T.as_type)) -> @F.%ptr (%ptr.900) {
    1164. 

  1164. // CHECK:STDOUT:   !entry:
    1165. 

  1165. // CHECK:STDOUT:     %t.ref: ref @F.%T.as_type.loc9_22.1 (%T.as_type) = name_ref t, %t
    1166. 

  1166. // CHECK:STDOUT:     %addr: @F.%ptr (%ptr.900) = addr_of %t.ref
    1167. 

  1167. // CHECK:STDOUT:     return %addr
    1168. 

  1168. // CHECK:STDOUT:   }
    1169. 

  1169. // CHECK:STDOUT: }
    1170. 

  1170. // CHECK:STDOUT:
    1171. 

  1171. // CHECK:STDOUT: specific @Type(constants.%Self) {}
    1172. 

  1172. // CHECK:STDOUT:
    1173. 

  1173. // CHECK:STDOUT: specific @Type(constants.%Ptr.facet.b6e) {}
    1174. 

  1174. // CHECK:STDOUT:
    1175. 

  1175. // CHECK:STDOUT: specific @U.as.Ptr.impl(constants.%U) {
    1176. 

  1176. // CHECK:STDOUT:   %U.loc7_20.2 => constants.%U
    1177. 

  1177. // CHECK:STDOUT:   %ptr.loc7_54.2 => constants.%ptr.79f
    1178. 

  1178. // CHECK:STDOUT:   %Ptr_where.type => constants.%Ptr_where.type.bd4
    1179. 

  1179. // CHECK:STDOUT:   %require_complete => constants.%require_complete.465
    1180. 

  1180. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.e8c
    1181. 

  1181. // CHECK:STDOUT: }
    1182. 

  1182. // CHECK:STDOUT:
    1183. 

  1183. // CHECK:STDOUT: specific @U.as.Ptr.impl(constants.%T.as_type) {
    1184. 

  1184. // CHECK:STDOUT:   %U.loc7_20.2 => constants.%T.as_type
    1185. 

  1185. // CHECK:STDOUT:   %ptr.loc7_54.2 => constants.%ptr.900
    1186. 

  1186. // CHECK:STDOUT:   %Ptr_where.type => constants.%Ptr_where.type.0d6
    1187. 

  1187. // CHECK:STDOUT:   %require_complete => constants.%require_complete.d01
    1188. 

  1188. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.5aa
    1189. 

  1189. // CHECK:STDOUT:
    1190. 

  1190. // CHECK:STDOUT: !definition:
    1191. 

  1191. // CHECK:STDOUT: }
    1192. 

  1192. // CHECK:STDOUT:
    1193. 

  1193. // CHECK:STDOUT: specific @Type(constants.%Ptr.facet.db8) {}
    1194. 

  1194. // CHECK:STDOUT:
    1195. 

  1195. // CHECK:STDOUT: specific @F(constants.%T) {
    1196. 

  1196. // CHECK:STDOUT:   %T.loc9_6.1 => constants.%T
    1197. 

  1197. // CHECK:STDOUT:   %T.as_type.loc9_22.1 => constants.%T.as_type
    1198. 

  1198. // CHECK:STDOUT:   %pattern_type.loc9_19 => constants.%pattern_type.87e
    1199. 

  1199. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.5aa
    1200. 

  1200. // CHECK:STDOUT:   %ptr => constants.%ptr.900
    1201. 

  1201. // CHECK:STDOUT:   %pattern_type.loc9_25 => constants.%pattern_type.a95
    1202. 

  1202. // CHECK:STDOUT: }
    1203. 

  1203. // CHECK:STDOUT:
    1204. 

  1204. // CHECK:STDOUT: --- final_impl_rewrite_of_symbolic_through_facet_value.carbon
    1205. 

  1205. // CHECK:STDOUT:
    1206. 

  1206. // CHECK:STDOUT: constants {
    1207. 

  1207. // CHECK:STDOUT:   %Ptr.type: type = facet_type <@Ptr> [concrete]
    1208. 

  1208. // CHECK:STDOUT:   %Self: %Ptr.type = bind_symbolic_name Self, 0 [symbolic]
    1209. 

  1209. // CHECK:STDOUT:   %.Self.644: type = bind_symbolic_name .Self [symbolic_self]
    1210. 

  1210. // CHECK:STDOUT:   %Ptr.assoc_type: type = assoc_entity_type @Ptr [concrete]
    1211. 

  1211. // CHECK:STDOUT:   %assoc0: %Ptr.assoc_type = assoc_entity element0, @Ptr.%Type [concrete]
    1212. 

  1212. // CHECK:STDOUT:   %U: type = bind_symbolic_name U, 0 [symbolic]
    1213. 

  1213. // CHECK:STDOUT:   %pattern_type.98f: type = pattern_type type [concrete]
    1214. 

  1214. // CHECK:STDOUT:   %.Self.8b4: %Ptr.type = bind_symbolic_name .Self [symbolic_self]
    1215. 

  1215. // CHECK:STDOUT:   %.Self.as_type: type = facet_access_type %.Self.8b4 [symbolic_self]
    1216. 

  1216. // CHECK:STDOUT:   %Ptr.lookup_impl_witness: <witness> = lookup_impl_witness %.Self.8b4, @Ptr [symbolic_self]
    1217. 

  1217. // CHECK:STDOUT:   %Ptr.facet.b6e: %Ptr.type = facet_value %.Self.as_type, (%Ptr.lookup_impl_witness) [symbolic_self]
    1218. 

  1218. // CHECK:STDOUT:   %impl.elem0: type = impl_witness_access %Ptr.lookup_impl_witness, element0 [symbolic_self]
    1219. 

  1219. // CHECK:STDOUT:   %ptr.79f: type = ptr_type %U [symbolic]
    1220. 

  1220. // CHECK:STDOUT:   %Ptr_where.type.bd4: type = facet_type <@Ptr where %impl.elem0 = %ptr.79f> [symbolic]
    1221. 

  1221. // CHECK:STDOUT:   %require_complete.465: <witness> = require_complete_type %Ptr_where.type.bd4 [symbolic]
    1222. 

  1222. // CHECK:STDOUT:   %Ptr.impl_witness.e8c: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%U) [symbolic]
    1223. 

  1223. // CHECK:STDOUT:   %T: %Ptr.type = bind_symbolic_name T, 0 [symbolic]
    1224. 

  1224. // CHECK:STDOUT:   %pattern_type.9bb: type = pattern_type %Ptr.type [concrete]
    1225. 

  1225. // CHECK:STDOUT:   %T.as_type: type = facet_access_type %T [symbolic]
    1226. 

  1226. // CHECK:STDOUT:   %pattern_type.87e: type = pattern_type %T.as_type [symbolic]
    1227. 

  1227. // CHECK:STDOUT:   %ptr.900: type = ptr_type %T.as_type [symbolic]
    1228. 

  1228. // CHECK:STDOUT:   %Ptr_where.type.0d6: type = facet_type <@Ptr where %impl.elem0 = %ptr.900> [symbolic]
    1229. 

  1229. // CHECK:STDOUT:   %require_complete.d01: <witness> = require_complete_type %Ptr_where.type.0d6 [symbolic]
    1230. 

  1230. // CHECK:STDOUT:   %Ptr.impl_witness.5aa: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%T.as_type) [symbolic]
    1231. 

  1231. // CHECK:STDOUT:   %Ptr.facet.db8: %Ptr.type = facet_value %T.as_type, (%Ptr.impl_witness.5aa) [symbolic]
    1232. 

  1232. // CHECK:STDOUT:   %pattern_type.a95: type = pattern_type %ptr.900 [symbolic]
    1233. 

  1233. // CHECK:STDOUT:   %F.type: type = fn_type @F [concrete]
    1234. 

  1234. // CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
    1235. 

  1235. // CHECK:STDOUT:   %require_complete.df6: <witness> = require_complete_type %ptr.900 [symbolic]
    1236. 

  1236. // CHECK:STDOUT:   %require_complete.020: <witness> = require_complete_type %T.as_type [symbolic]
    1237. 

  1237. // CHECK:STDOUT: }
    1238. 

  1238. // CHECK:STDOUT:
    1239. 

  1239. // CHECK:STDOUT: imports {
    1240. 

  1240. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
    1241. 

  1241. // CHECK:STDOUT:     import Core//prelude
    1242. 

  1242. // CHECK:STDOUT:     import Core//prelude/...
    1243. 

  1243. // CHECK:STDOUT:   }
    1244. 

  1244. // CHECK:STDOUT: }
    1245. 

  1245. // CHECK:STDOUT:
    1246. 

  1246. // CHECK:STDOUT: file {
    1247. 

  1247. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    1248. 

  1248. // CHECK:STDOUT:     .Core = imports.%Core
    1249. 

  1249. // CHECK:STDOUT:     .Ptr = %Ptr.decl
    1250. 

  1250. // CHECK:STDOUT:     .F = %F.decl
    1251. 

  1251. // CHECK:STDOUT:   }
    1252. 

  1252. // CHECK:STDOUT:   %Core.import = import Core
    1253. 

  1253. // CHECK:STDOUT:   %Ptr.decl: type = interface_decl @Ptr [concrete = constants.%Ptr.type] {} {}
    1254. 

  1254. // CHECK:STDOUT:   impl_decl @U.as.Ptr.impl [concrete] {
    1255. 

  1255. // CHECK:STDOUT:     %U.patt: %pattern_type.98f = symbolic_binding_pattern U, 0 [concrete]
    1256. 

  1256. // CHECK:STDOUT:   } {
    1257. 

  1257. // CHECK:STDOUT:     %U.ref.loc7_30: type = name_ref U, %U.loc7_20.1 [symbolic = %U.loc7_20.2 (constants.%U)]
    1258. 

  1258. // CHECK:STDOUT:     %Ptr.ref: type = name_ref Ptr, file.%Ptr.decl [concrete = constants.%Ptr.type]
    1259. 

  1259. // CHECK:STDOUT:     %.Self.1: %Ptr.type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.8b4]
    1260. 

  1260. // CHECK:STDOUT:     %.Self.ref: %Ptr.type = name_ref .Self, %.Self.1 [symbolic_self = constants.%.Self.8b4]
    1261. 

  1261. // CHECK:STDOUT:     %Type.ref: %Ptr.assoc_type = name_ref Type, @Type.%assoc0 [concrete = constants.%assoc0]
    1262. 

  1262. // CHECK:STDOUT:     %.Self.as_type: type = facet_access_type %.Self.ref [symbolic_self = constants.%.Self.as_type]
    1263. 

  1263. // CHECK:STDOUT:     %.loc7_45: type = converted %.Self.ref, %.Self.as_type [symbolic_self = constants.%.Self.as_type]
    1264. 

  1264. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Ptr.lookup_impl_witness, element0 [symbolic_self = constants.%impl.elem0]
    1265. 

  1265. // CHECK:STDOUT:     %U.ref.loc7_53: type = name_ref U, %U.loc7_20.1 [symbolic = %U.loc7_20.2 (constants.%U)]
    1266. 

  1266. // CHECK:STDOUT:     %ptr.loc7_54.1: type = ptr_type %U.ref.loc7_53 [symbolic = %ptr.loc7_54.2 (constants.%ptr.79f)]
    1267. 

  1267. // CHECK:STDOUT:     %.loc7_39: type = where_expr %.Self.1 [symbolic = %Ptr_where.type (constants.%Ptr_where.type.bd4)] {
    1268. 

  1268. // CHECK:STDOUT:       requirement_base_facet_type constants.%Ptr.type
    1269. 

  1269. // CHECK:STDOUT:       requirement_rewrite %impl.elem0, %ptr.loc7_54.1
    1270. 

  1270. // CHECK:STDOUT:     }
    1271. 

  1271. // CHECK:STDOUT:     %.Self.2: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    1272. 

  1272. // CHECK:STDOUT:     %U.loc7_20.1: type = bind_symbolic_name U, 0 [symbolic = %U.loc7_20.2 (constants.%U)]
    1273. 

  1273. // CHECK:STDOUT:   }
    1274. 

  1274. // CHECK:STDOUT:   %Ptr.impl_witness_table = impl_witness_table (%impl_witness_assoc_constant), @U.as.Ptr.impl [concrete]
    1275. 

  1275. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness %Ptr.impl_witness_table, @U.as.Ptr.impl(constants.%U) [symbolic = @U.as.Ptr.impl.%Ptr.impl_witness (constants.%Ptr.impl_witness.e8c)]
    1276. 

  1276. // CHECK:STDOUT:   %impl_witness_assoc_constant: type = impl_witness_assoc_constant constants.%ptr.79f [symbolic = @U.as.Ptr.impl.%ptr.loc7_54.2 (constants.%ptr.79f)]
    1277. 

  1277. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
    1278. 

  1278. // CHECK:STDOUT:     %T.patt: %pattern_type.9bb = symbolic_binding_pattern T, 0 [concrete]
    1279. 

  1279. // CHECK:STDOUT:     %t.patt: @F.%pattern_type.loc9_19 (%pattern_type.87e) = binding_pattern t [concrete]
    1280. 

  1280. // CHECK:STDOUT:     %t.param_patt: @F.%pattern_type.loc9_19 (%pattern_type.87e) = ref_param_pattern %t.patt, call_param0 [concrete]
    1281. 

  1281. // CHECK:STDOUT:     %t.var_patt: @F.%pattern_type.loc9_19 (%pattern_type.87e) = var_pattern %t.param_patt [concrete]
    1282. 

  1282. // CHECK:STDOUT:     %return.patt: @F.%pattern_type.loc9_25 (%pattern_type.a95) = return_slot_pattern [concrete]
    1283. 

  1283. // CHECK:STDOUT:     %return.param_patt: @F.%pattern_type.loc9_25 (%pattern_type.a95) = out_param_pattern %return.patt, call_param1 [concrete]
    1284. 

  1284. // CHECK:STDOUT:   } {
    1285. 

  1285. // CHECK:STDOUT:     %T.ref.loc9_28: %Ptr.type = name_ref T, %T.loc9_6.2 [symbolic = %T.loc9_6.1 (constants.%T)]
    1286. 

  1286. // CHECK:STDOUT:     %Ptr.ref.loc9_31: type = name_ref Ptr, file.%Ptr.decl [concrete = constants.%Ptr.type]
    1287. 

  1287. // CHECK:STDOUT:     %Type.ref: %Ptr.assoc_type = name_ref Type, @Type.%assoc0 [concrete = constants.%assoc0]
    1288. 

  1288. // CHECK:STDOUT:     %T.as_type.loc9_29: type = facet_access_type constants.%T [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1289. 

  1289. // CHECK:STDOUT:     %.loc9_29: type = converted constants.%T, %T.as_type.loc9_29 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1290. 

  1290. // CHECK:STDOUT:     %impl.elem0: type = impl_witness_access constants.%Ptr.impl_witness.5aa, element0 [symbolic = %ptr (constants.%ptr.900)]
    1291. 

  1291. // CHECK:STDOUT:     %.loc9_10: type = splice_block %Ptr.ref.loc9_10 [concrete = constants.%Ptr.type] {
    1292. 

  1292. // CHECK:STDOUT:       %.Self: type = bind_symbolic_name .Self [symbolic_self = constants.%.Self.644]
    1293. 

  1293. // CHECK:STDOUT:       %Ptr.ref.loc9_10: type = name_ref Ptr, file.%Ptr.decl [concrete = constants.%Ptr.type]
    1294. 

  1294. // CHECK:STDOUT:     }
    1295. 

  1295. // CHECK:STDOUT:     %T.loc9_6.2: %Ptr.type = bind_symbolic_name T, 0 [symbolic = %T.loc9_6.1 (constants.%T)]
    1296. 

  1296. // CHECK:STDOUT:     %t.param: ref @F.%T.as_type.loc9_22.1 (%T.as_type) = ref_param call_param0
    1297. 

  1297. // CHECK:STDOUT:     %.loc9_22.1: type = splice_block %.loc9_22.2 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)] {
    1298. 

  1298. // CHECK:STDOUT:       %T.ref.loc9_22: %Ptr.type = name_ref T, %T.loc9_6.2 [symbolic = %T.loc9_6.1 (constants.%T)]
    1299. 

  1299. // CHECK:STDOUT:       %T.as_type.loc9_22.2: type = facet_access_type %T.ref.loc9_22 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1300. 

  1300. // CHECK:STDOUT:       %.loc9_22.2: type = converted %T.ref.loc9_22, %T.as_type.loc9_22.2 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1301. 

  1301. // CHECK:STDOUT:     }
    1302. 

  1302. // CHECK:STDOUT:     %t: ref @F.%T.as_type.loc9_22.1 (%T.as_type) = bind_name t, %t.param
    1303. 

  1303. // CHECK:STDOUT:     %return.param: ref @F.%ptr (%ptr.900) = out_param call_param1
    1304. 

  1304. // CHECK:STDOUT:     %return: ref @F.%ptr (%ptr.900) = return_slot %return.param
    1305. 

  1305. // CHECK:STDOUT:   }
    1306. 

  1306. // CHECK:STDOUT: }
    1307. 

  1307. // CHECK:STDOUT:
    1308. 

  1308. // CHECK:STDOUT: interface @Ptr {
    1309. 

  1309. // CHECK:STDOUT:   %Self: %Ptr.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    1310. 

  1310. // CHECK:STDOUT:   %Type: type = assoc_const_decl @Type [concrete] {
    1311. 

  1311. // CHECK:STDOUT:     %assoc0: %Ptr.assoc_type = assoc_entity element0, @Ptr.%Type [concrete = constants.%assoc0]
    1312. 

  1312. // CHECK:STDOUT:   }
    1313. 

  1313. // CHECK:STDOUT:
    1314. 

  1314. // CHECK:STDOUT: !members:
    1315. 

  1315. // CHECK:STDOUT:   .Self = %Self
    1316. 

  1316. // CHECK:STDOUT:   .Type = @Type.%assoc0
    1317. 

  1317. // CHECK:STDOUT:   witness = (%Type)
    1318. 

  1318. // CHECK:STDOUT: }
    1319. 

  1319. // CHECK:STDOUT:
    1320. 

  1320. // CHECK:STDOUT: generic assoc_const @Type(@Ptr.%Self: %Ptr.type) {
    1321. 

  1321. // CHECK:STDOUT:   assoc_const Type:! type;
    1322. 

  1322. // CHECK:STDOUT: }
    1323. 

  1323. // CHECK:STDOUT:
    1324. 

  1324. // CHECK:STDOUT: generic impl @U.as.Ptr.impl(%U.loc7_20.1: type) {
    1325. 

  1325. // CHECK:STDOUT:   %U.loc7_20.2: type = bind_symbolic_name U, 0 [symbolic = %U.loc7_20.2 (constants.%U)]
    1326. 

  1326. // CHECK:STDOUT:   %ptr.loc7_54.2: type = ptr_type %U.loc7_20.2 [symbolic = %ptr.loc7_54.2 (constants.%ptr.79f)]
    1327. 

  1327. // CHECK:STDOUT:   %Ptr_where.type: type = facet_type <@Ptr where constants.%impl.elem0 = %ptr.loc7_54.2> [symbolic = %Ptr_where.type (constants.%Ptr_where.type.bd4)]
    1328. 

  1328. // CHECK:STDOUT:   %require_complete: <witness> = require_complete_type %Ptr_where.type [symbolic = %require_complete (constants.%require_complete.465)]
    1329. 

  1329. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%U.loc7_20.2) [symbolic = %Ptr.impl_witness (constants.%Ptr.impl_witness.e8c)]
    1330. 

  1330. // CHECK:STDOUT:
    1331. 

  1331. // CHECK:STDOUT: !definition:
    1332. 

  1332. // CHECK:STDOUT:
    1333. 

  1333. // CHECK:STDOUT:   impl: %U.ref.loc7_30 as %.loc7_39 {
    1334. 

  1334. // CHECK:STDOUT:   !members:
    1335. 

  1335. // CHECK:STDOUT:     witness = file.%Ptr.impl_witness
    1336. 

  1336. // CHECK:STDOUT:   }
    1337. 

  1337. // CHECK:STDOUT: }
    1338. 

  1338. // CHECK:STDOUT:
    1339. 

  1339. // CHECK:STDOUT: generic fn @F(%T.loc9_6.2: %Ptr.type) {
    1340. 

  1340. // CHECK:STDOUT:   %T.loc9_6.1: %Ptr.type = bind_symbolic_name T, 0 [symbolic = %T.loc9_6.1 (constants.%T)]
    1341. 

  1341. // CHECK:STDOUT:   %T.as_type.loc9_22.1: type = facet_access_type %T.loc9_6.1 [symbolic = %T.as_type.loc9_22.1 (constants.%T.as_type)]
    1342. 

  1342. // CHECK:STDOUT:   %pattern_type.loc9_19: type = pattern_type %T.as_type.loc9_22.1 [symbolic = %pattern_type.loc9_19 (constants.%pattern_type.87e)]
    1343. 

  1343. // CHECK:STDOUT:   %Ptr.impl_witness: <witness> = impl_witness file.%Ptr.impl_witness_table, @U.as.Ptr.impl(%T.as_type.loc9_22.1) [symbolic = %Ptr.impl_witness (constants.%Ptr.impl_witness.5aa)]
    1344. 

  1344. // CHECK:STDOUT:   %ptr: type = ptr_type %T.as_type.loc9_22.1 [symbolic = %ptr (constants.%ptr.900)]
    1345. 

  1345. // CHECK:STDOUT:   %pattern_type.loc9_25: type = pattern_type %ptr [symbolic = %pattern_type.loc9_25 (constants.%pattern_type.a95)]
    1346. 

  1346. // CHECK:STDOUT:
    1347. 

  1347. // CHECK:STDOUT: !definition:
    1348. 

  1348. // CHECK:STDOUT:   %require_complete.loc9_25: <witness> = require_complete_type %ptr [symbolic = %require_complete.loc9_25 (constants.%require_complete.df6)]
    1349. 

  1349. // CHECK:STDOUT:   %require_complete.loc9_15: <witness> = require_complete_type %T.as_type.loc9_22.1 [symbolic = %require_complete.loc9_15 (constants.%require_complete.020)]
    1350. 

  1350. // CHECK:STDOUT:
    1351. 

  1351. // CHECK:STDOUT:   fn(%t.param: @F.%T.as_type.loc9_22.1 (%T.as_type)) -> @F.%ptr (%ptr.900) {
    1352. 

  1352. // CHECK:STDOUT:   !entry:
    1353. 

  1353. // CHECK:STDOUT:     %t.ref: ref @F.%T.as_type.loc9_22.1 (%T.as_type) = name_ref t, %t
    1354. 

  1354. // CHECK:STDOUT:     %addr: @F.%ptr (%ptr.900) = addr_of %t.ref
    1355. 

  1355. // CHECK:STDOUT:     return %addr
    1356. 

  1356. // CHECK:STDOUT:   }
    1357. 

  1357. // CHECK:STDOUT: }
    1358. 

  1358. // CHECK:STDOUT:
    1359. 

  1359. // CHECK:STDOUT: specific @Type(constants.%Self) {}
    1360. 

  1360. // CHECK:STDOUT:
    1361. 

  1361. // CHECK:STDOUT: specific @Type(constants.%Ptr.facet.b6e) {}
    1362. 

  1362. // CHECK:STDOUT:
    1363. 

  1363. // CHECK:STDOUT: specific @U.as.Ptr.impl(constants.%U) {
    1364. 

  1364. // CHECK:STDOUT:   %U.loc7_20.2 => constants.%U
    1365. 

  1365. // CHECK:STDOUT:   %ptr.loc7_54.2 => constants.%ptr.79f
    1366. 

  1366. // CHECK:STDOUT:   %Ptr_where.type => constants.%Ptr_where.type.bd4
    1367. 

  1367. // CHECK:STDOUT:   %require_complete => constants.%require_complete.465
    1368. 

  1368. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.e8c
    1369. 

  1369. // CHECK:STDOUT: }
    1370. 

  1370. // CHECK:STDOUT:
    1371. 

  1371. // CHECK:STDOUT: specific @U.as.Ptr.impl(constants.%T.as_type) {
    1372. 

  1372. // CHECK:STDOUT:   %U.loc7_20.2 => constants.%T.as_type
    1373. 

  1373. // CHECK:STDOUT:   %ptr.loc7_54.2 => constants.%ptr.900
    1374. 

  1374. // CHECK:STDOUT:   %Ptr_where.type => constants.%Ptr_where.type.0d6
    1375. 

  1375. // CHECK:STDOUT:   %require_complete => constants.%require_complete.d01
    1376. 

  1376. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.5aa
    1377. 

  1377. // CHECK:STDOUT:
    1378. 

  1378. // CHECK:STDOUT: !definition:
    1379. 

  1379. // CHECK:STDOUT: }
    1380. 

  1380. // CHECK:STDOUT:
    1381. 

  1381. // CHECK:STDOUT: specific @Type(constants.%Ptr.facet.db8) {}
    1382. 

  1382. // CHECK:STDOUT:
    1383. 

  1383. // CHECK:STDOUT: specific @F(constants.%T) {
    1384. 

  1384. // CHECK:STDOUT:   %T.loc9_6.1 => constants.%T
    1385. 

  1385. // CHECK:STDOUT:   %T.as_type.loc9_22.1 => constants.%T.as_type
    1386. 

  1386. // CHECK:STDOUT:   %pattern_type.loc9_19 => constants.%pattern_type.87e
    1387. 

  1387. // CHECK:STDOUT:   %Ptr.impl_witness => constants.%Ptr.impl_witness.5aa
    1388. 

  1388. // CHECK:STDOUT:   %ptr => constants.%ptr.900
    1389. 

  1389. // CHECK:STDOUT:   %pattern_type.loc9_25 => constants.%pattern_type.a95
    1390. 

  1390. // CHECK:STDOUT: }
    1391. 

  1391. // CHECK:STDOUT:
    1392.