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generic_redeclaration.carbon

generic_redeclaration.carbon 41 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. // AUTOUPDATE
    6. 

  6. // TIP: To test this file alone, run:
    7. 

  7. // TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/no_prelude/generic_redeclaration.carbon
    8. 

  8. // TIP: To dump output, run:
    9. 

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/no_prelude/generic_redeclaration.carbon
    10. 

  10. 

  11. // --- same_self_and_interface.carbon
    12. 

  12. 

  13. library "[[@TEST_NAME]]";
    14. 

  14. 

  15. interface Interface {}
    16. 

  16. 

  17. interface I {}
    18. 

  18. interface J {}
    19. 

  19. interface K {}
    20. 

  20. interface L {}
    21. 

  21. 

  22. impl forall [T:! I] T as Interface;
    23. 

  23. impl forall [T:! J] T as Interface;
    24. 

  24. impl forall [T:! K] T as Interface;
    25. 

  25. impl forall [T:! L] T as Interface;
    26. 

  26. 

  27. // These are different impls, so they are not redefinitions, even though the
    28. 

  28. // self type and constraint type are the same.
    29. 

  29. impl forall [T:! I] T as Interface {}
    30. 

  30. impl forall [T:! J] T as Interface {}
    31. 

  31. impl forall [T:! K] T as Interface {}
    32. 

  32. impl forall [T:! L] T as Interface {}
    33. 

  33. 

  34. // --- fail_same_self_and_interface_redefined.carbon
    35. 

  35. 

  36. library "[[@TEST_NAME]]";
    37. 

  37. 

  38. interface I {}
    39. 

  39. interface J {}
    40. 

  40. 

  41. impl forall [T:! I] T as J {}
    42. 

  42. // CHECK:STDERR: fail_same_self_and_interface_redefined.carbon:[[@LINE+7]]:1: error: redefinition of `impl T as J` [ImplRedefinition]
    43. 

  43. // CHECK:STDERR: impl forall [T:! I] T as J {}
    44. 

  44. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
    45. 

  45. // CHECK:STDERR: fail_same_self_and_interface_redefined.carbon:[[@LINE-4]]:1: note: previous definition was here [ImplPreviousDefinition]
    46. 

  46. // CHECK:STDERR: impl forall [T:! I] T as J {}
    47. 

  47. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
    48. 

  48. // CHECK:STDERR:
    49. 

  49. impl forall [T:! I] T as J {}
    50. 

  50. 

  51. // --- same_type_different_spelling.carbon
    52. 

  52. 

  53. library "[[@TEST_NAME]]";
    54. 

  54. 

  55. class C;
    56. 

  56. interface I {}
    57. 

  57. 

  58. // We accept this because these two types are spelled differently, even though
    59. 

  59. // they evaluate to the same type constant. Any use of this impl will be
    60. 

  60. // ambiguous unless resolved by a `match_first` or similar.
    61. 

  61. //
    62. 

  62. // TODO: Produce a warning or maybe an error when this happens in a non-generic
    63. 

  63. // impl.
    64. 

  64. impl C as I {}
    65. 

  65. impl (C, C).0 as I {}
    66. 

  66. 

  67. // --- fail_redefinition_generic_regions.carbon
    68. 

  68. 

  69. interface I {}
    70. 

  70. 

  71. impl forall [T:! type] T as I {
    72. 

  72.   fn A() {}
    73. 

  73. }
    74. 

  74. 

  75. // CHECK:STDERR: fail_redefinition_generic_regions.carbon:[[@LINE+7]]:1: error: redefinition of `impl T as I` [ImplRedefinition]
    76. 

  76. // CHECK:STDERR: impl forall [T:! type] T as I {
    77. 

  77. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    78. 

  78. // CHECK:STDERR: fail_redefinition_generic_regions.carbon:[[@LINE-7]]:1: note: previous definition was here [ImplPreviousDefinition]
    79. 

  79. // CHECK:STDERR: impl forall [T:! type] T as I {
    80. 

  80. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    81. 

  81. // CHECK:STDERR:
    82. 

  82. impl forall [T:! type] T as I {
    83. 

  83.   // Although not referenced, B has the same generic region index of A, and
    84. 

  84.   // makes C a different index. We used to merge, and this was a crash.
    85. 

  85.   fn B() {}
    86. 

  86.   fn C() -> () { return (); }
    87. 

  87.   fn D() -> () {
    88. 

  88.     return C();
    89. 

  89.   }
    90. 

  90. }
    91. 

  91. 

  92. // CHECK:STDOUT: --- same_self_and_interface.carbon
    93. 

  93. // CHECK:STDOUT:
    94. 

  94. // CHECK:STDOUT: constants {
    95. 

  95. // CHECK:STDOUT:   %Interface.type: type = facet_type <@Interface> [concrete]
    96. 

  96. // CHECK:STDOUT:   %Self.719: %Interface.type = bind_symbolic_name Self, 0 [symbolic]
    97. 

  97. // CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
    98. 

  98. // CHECK:STDOUT:   %Self.826: %I.type = bind_symbolic_name Self, 0 [symbolic]
    99. 

  99. // CHECK:STDOUT:   %J.type: type = facet_type <@J> [concrete]
    100. 

  100. // CHECK:STDOUT:   %Self.ccd: %J.type = bind_symbolic_name Self, 0 [symbolic]
    101. 

  101. // CHECK:STDOUT:   %K.type: type = facet_type <@K> [concrete]
    102. 

  102. // CHECK:STDOUT:   %Self.09f: %K.type = bind_symbolic_name Self, 0 [symbolic]
    103. 

  103. // CHECK:STDOUT:   %L.type: type = facet_type <@L> [concrete]
    104. 

  104. // CHECK:STDOUT:   %Self.1d2: %L.type = bind_symbolic_name Self, 0 [symbolic]
    105. 

  105. // CHECK:STDOUT:   %T.826: %I.type = bind_symbolic_name T, 0 [symbolic]
    106. 

  106. // CHECK:STDOUT:   %T.patt.3ad: %I.type = symbolic_binding_pattern T, 0 [symbolic]
    107. 

  107. // CHECK:STDOUT:   %T.as_type.b70: type = facet_access_type %T.826 [symbolic]
    108. 

  108. // CHECK:STDOUT:   %impl_witness.d14: <witness> = impl_witness (), @impl.c3d(%T.826) [symbolic]
    109. 

  109. // CHECK:STDOUT:   %T.ccd: %J.type = bind_symbolic_name T, 0 [symbolic]
    110. 

  110. // CHECK:STDOUT:   %T.patt.371: %J.type = symbolic_binding_pattern T, 0 [symbolic]
    111. 

  111. // CHECK:STDOUT:   %T.as_type.3df: type = facet_access_type %T.ccd [symbolic]
    112. 

  112. // CHECK:STDOUT:   %impl_witness.d94: <witness> = impl_witness (), @impl.793(%T.ccd) [symbolic]
    113. 

  113. // CHECK:STDOUT:   %T.09f: %K.type = bind_symbolic_name T, 0 [symbolic]
    114. 

  114. // CHECK:STDOUT:   %T.patt.036: %K.type = symbolic_binding_pattern T, 0 [symbolic]
    115. 

  115. // CHECK:STDOUT:   %T.as_type.037: type = facet_access_type %T.09f [symbolic]
    116. 

  116. // CHECK:STDOUT:   %impl_witness.8aa: <witness> = impl_witness (), @impl.c93(%T.09f) [symbolic]
    117. 

  117. // CHECK:STDOUT:   %T.1d2: %L.type = bind_symbolic_name T, 0 [symbolic]
    118. 

  118. // CHECK:STDOUT:   %T.patt.29d: %L.type = symbolic_binding_pattern T, 0 [symbolic]
    119. 

  119. // CHECK:STDOUT:   %T.as_type.0ed: type = facet_access_type %T.1d2 [symbolic]
    120. 

  120. // CHECK:STDOUT:   %impl_witness.da5: <witness> = impl_witness (), @impl.9e6(%T.1d2) [symbolic]
    121. 

  121. // CHECK:STDOUT: }
    122. 

  122. // CHECK:STDOUT:
    123. 

  123. // CHECK:STDOUT: file {
    124. 

  124. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    125. 

  125. // CHECK:STDOUT:     .Interface = %Interface.decl
    126. 

  126. // CHECK:STDOUT:     .I = %I.decl
    127. 

  127. // CHECK:STDOUT:     .J = %J.decl
    128. 

  128. // CHECK:STDOUT:     .K = %K.decl
    129. 

  129. // CHECK:STDOUT:     .L = %L.decl
    130. 

  130. // CHECK:STDOUT:   }
    131. 

  131. // CHECK:STDOUT:   %Interface.decl: type = interface_decl @Interface [concrete = constants.%Interface.type] {} {}
    132. 

  132. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
    133. 

  133. // CHECK:STDOUT:   %J.decl: type = interface_decl @J [concrete = constants.%J.type] {} {}
    134. 

  134. // CHECK:STDOUT:   %K.decl: type = interface_decl @K [concrete = constants.%K.type] {} {}
    135. 

  135. // CHECK:STDOUT:   %L.decl: type = interface_decl @L [concrete = constants.%L.type] {} {}
    136. 

  136. // CHECK:STDOUT:   impl_decl @impl.c3d [concrete] {
    137. 

  137. // CHECK:STDOUT:     %T.patt.loc11_14.1: %I.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_14.2 (constants.%T.patt.3ad)]
    138. 

  138. // CHECK:STDOUT:   } {
    139. 

  139. // CHECK:STDOUT:     %T.ref.loc11: %I.type = name_ref T, %T.loc11_14.1 [symbolic = %T.loc11_14.2 (constants.%T.826)]
    140. 

  140. // CHECK:STDOUT:     %T.as_type.loc11_21.1: type = facet_access_type %T.ref.loc11 [symbolic = %T.as_type.loc11_21.2 (constants.%T.as_type.b70)]
    141. 

  141. // CHECK:STDOUT:     %.loc11: type = converted %T.ref.loc11, %T.as_type.loc11_21.1 [symbolic = %T.as_type.loc11_21.2 (constants.%T.as_type.b70)]
    142. 

  142. // CHECK:STDOUT:     %Interface.ref.loc11: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    143. 

  143. // CHECK:STDOUT:     %I.ref.loc11: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    144. 

  144. // CHECK:STDOUT:     %T.loc11_14.1: %I.type = bind_symbolic_name T, 0 [symbolic = %T.loc11_14.2 (constants.%T.826)]
    145. 

  145. // CHECK:STDOUT:   }
    146. 

  146. // CHECK:STDOUT:   %impl_witness.loc11: <witness> = impl_witness (), @impl.c3d(constants.%T.826) [symbolic = @impl.c3d.%impl_witness (constants.%impl_witness.d14)]
    147. 

  147. // CHECK:STDOUT:   impl_decl @impl.793 [concrete] {
    148. 

  148. // CHECK:STDOUT:     %T.patt.loc12_14.1: %J.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc12_14.2 (constants.%T.patt.371)]
    149. 

  149. // CHECK:STDOUT:   } {
    150. 

  150. // CHECK:STDOUT:     %T.ref.loc12: %J.type = name_ref T, %T.loc12_14.1 [symbolic = %T.loc12_14.2 (constants.%T.ccd)]
    151. 

  151. // CHECK:STDOUT:     %T.as_type.loc12_21.1: type = facet_access_type %T.ref.loc12 [symbolic = %T.as_type.loc12_21.2 (constants.%T.as_type.3df)]
    152. 

  152. // CHECK:STDOUT:     %.loc12: type = converted %T.ref.loc12, %T.as_type.loc12_21.1 [symbolic = %T.as_type.loc12_21.2 (constants.%T.as_type.3df)]
    153. 

  153. // CHECK:STDOUT:     %Interface.ref.loc12: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    154. 

  154. // CHECK:STDOUT:     %J.ref.loc12: type = name_ref J, file.%J.decl [concrete = constants.%J.type]
    155. 

  155. // CHECK:STDOUT:     %T.loc12_14.1: %J.type = bind_symbolic_name T, 0 [symbolic = %T.loc12_14.2 (constants.%T.ccd)]
    156. 

  156. // CHECK:STDOUT:   }
    157. 

  157. // CHECK:STDOUT:   %impl_witness.loc12: <witness> = impl_witness (), @impl.793(constants.%T.ccd) [symbolic = @impl.793.%impl_witness (constants.%impl_witness.d94)]
    158. 

  158. // CHECK:STDOUT:   impl_decl @impl.c93 [concrete] {
    159. 

  159. // CHECK:STDOUT:     %T.patt.loc13_14.1: %K.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc13_14.2 (constants.%T.patt.036)]
    160. 

  160. // CHECK:STDOUT:   } {
    161. 

  161. // CHECK:STDOUT:     %T.ref.loc13: %K.type = name_ref T, %T.loc13_14.1 [symbolic = %T.loc13_14.2 (constants.%T.09f)]
    162. 

  162. // CHECK:STDOUT:     %T.as_type.loc13_21.1: type = facet_access_type %T.ref.loc13 [symbolic = %T.as_type.loc13_21.2 (constants.%T.as_type.037)]
    163. 

  163. // CHECK:STDOUT:     %.loc13: type = converted %T.ref.loc13, %T.as_type.loc13_21.1 [symbolic = %T.as_type.loc13_21.2 (constants.%T.as_type.037)]
    164. 

  164. // CHECK:STDOUT:     %Interface.ref.loc13: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    165. 

  165. // CHECK:STDOUT:     %K.ref.loc13: type = name_ref K, file.%K.decl [concrete = constants.%K.type]
    166. 

  166. // CHECK:STDOUT:     %T.loc13_14.1: %K.type = bind_symbolic_name T, 0 [symbolic = %T.loc13_14.2 (constants.%T.09f)]
    167. 

  167. // CHECK:STDOUT:   }
    168. 

  168. // CHECK:STDOUT:   %impl_witness.loc13: <witness> = impl_witness (), @impl.c93(constants.%T.09f) [symbolic = @impl.c93.%impl_witness (constants.%impl_witness.8aa)]
    169. 

  169. // CHECK:STDOUT:   impl_decl @impl.9e6 [concrete] {
    170. 

  170. // CHECK:STDOUT:     %T.patt.loc14_14.1: %L.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc14_14.2 (constants.%T.patt.29d)]
    171. 

  171. // CHECK:STDOUT:   } {
    172. 

  172. // CHECK:STDOUT:     %T.ref.loc14: %L.type = name_ref T, %T.loc14_14.1 [symbolic = %T.loc14_14.2 (constants.%T.1d2)]
    173. 

  173. // CHECK:STDOUT:     %T.as_type.loc14_21.1: type = facet_access_type %T.ref.loc14 [symbolic = %T.as_type.loc14_21.2 (constants.%T.as_type.0ed)]
    174. 

  174. // CHECK:STDOUT:     %.loc14: type = converted %T.ref.loc14, %T.as_type.loc14_21.1 [symbolic = %T.as_type.loc14_21.2 (constants.%T.as_type.0ed)]
    175. 

  175. // CHECK:STDOUT:     %Interface.ref.loc14: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    176. 

  176. // CHECK:STDOUT:     %L.ref.loc14: type = name_ref L, file.%L.decl [concrete = constants.%L.type]
    177. 

  177. // CHECK:STDOUT:     %T.loc14_14.1: %L.type = bind_symbolic_name T, 0 [symbolic = %T.loc14_14.2 (constants.%T.1d2)]
    178. 

  178. // CHECK:STDOUT:   }
    179. 

  179. // CHECK:STDOUT:   %impl_witness.loc14: <witness> = impl_witness (), @impl.9e6(constants.%T.1d2) [symbolic = @impl.9e6.%impl_witness (constants.%impl_witness.da5)]
    180. 

  180. // CHECK:STDOUT:   impl_decl @impl.c3d [concrete] {
    181. 

  181. // CHECK:STDOUT:     %T.patt.loc11_14.1: %I.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_14.2 (constants.%T.patt.3ad)]
    182. 

  182. // CHECK:STDOUT:   } {
    183. 

  183. // CHECK:STDOUT:     %T.ref.loc18: %I.type = name_ref T, %T.loc18 [symbolic = %T.loc11_14.2 (constants.%T.826)]
    184. 

  184. // CHECK:STDOUT:     %T.as_type.loc18: type = facet_access_type %T.ref.loc18 [symbolic = %T.as_type.loc11_21.2 (constants.%T.as_type.b70)]
    185. 

  185. // CHECK:STDOUT:     %.loc18: type = converted %T.ref.loc18, %T.as_type.loc18 [symbolic = %T.as_type.loc11_21.2 (constants.%T.as_type.b70)]
    186. 

  186. // CHECK:STDOUT:     %Interface.ref.loc18: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    187. 

  187. // CHECK:STDOUT:     %I.ref.loc18: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    188. 

  188. // CHECK:STDOUT:     %T.loc18: %I.type = bind_symbolic_name T, 0 [symbolic = %T.loc11_14.2 (constants.%T.826)]
    189. 

  189. // CHECK:STDOUT:   }
    190. 

  190. // CHECK:STDOUT:   impl_decl @impl.793 [concrete] {
    191. 

  191. // CHECK:STDOUT:     %T.patt.loc12_14.1: %J.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc12_14.2 (constants.%T.patt.371)]
    192. 

  192. // CHECK:STDOUT:   } {
    193. 

  193. // CHECK:STDOUT:     %T.ref.loc19: %J.type = name_ref T, %T.loc19 [symbolic = %T.loc12_14.2 (constants.%T.ccd)]
    194. 

  194. // CHECK:STDOUT:     %T.as_type.loc19: type = facet_access_type %T.ref.loc19 [symbolic = %T.as_type.loc12_21.2 (constants.%T.as_type.3df)]
    195. 

  195. // CHECK:STDOUT:     %.loc19: type = converted %T.ref.loc19, %T.as_type.loc19 [symbolic = %T.as_type.loc12_21.2 (constants.%T.as_type.3df)]
    196. 

  196. // CHECK:STDOUT:     %Interface.ref.loc19: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    197. 

  197. // CHECK:STDOUT:     %J.ref.loc19: type = name_ref J, file.%J.decl [concrete = constants.%J.type]
    198. 

  198. // CHECK:STDOUT:     %T.loc19: %J.type = bind_symbolic_name T, 0 [symbolic = %T.loc12_14.2 (constants.%T.ccd)]
    199. 

  199. // CHECK:STDOUT:   }
    200. 

  200. // CHECK:STDOUT:   impl_decl @impl.c93 [concrete] {
    201. 

  201. // CHECK:STDOUT:     %T.patt.loc13_14.1: %K.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc13_14.2 (constants.%T.patt.036)]
    202. 

  202. // CHECK:STDOUT:   } {
    203. 

  203. // CHECK:STDOUT:     %T.ref.loc20: %K.type = name_ref T, %T.loc20 [symbolic = %T.loc13_14.2 (constants.%T.09f)]
    204. 

  204. // CHECK:STDOUT:     %T.as_type.loc20: type = facet_access_type %T.ref.loc20 [symbolic = %T.as_type.loc13_21.2 (constants.%T.as_type.037)]
    205. 

  205. // CHECK:STDOUT:     %.loc20: type = converted %T.ref.loc20, %T.as_type.loc20 [symbolic = %T.as_type.loc13_21.2 (constants.%T.as_type.037)]
    206. 

  206. // CHECK:STDOUT:     %Interface.ref.loc20: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    207. 

  207. // CHECK:STDOUT:     %K.ref.loc20: type = name_ref K, file.%K.decl [concrete = constants.%K.type]
    208. 

  208. // CHECK:STDOUT:     %T.loc20: %K.type = bind_symbolic_name T, 0 [symbolic = %T.loc13_14.2 (constants.%T.09f)]
    209. 

  209. // CHECK:STDOUT:   }
    210. 

  210. // CHECK:STDOUT:   impl_decl @impl.9e6 [concrete] {
    211. 

  211. // CHECK:STDOUT:     %T.patt.loc14_14.1: %L.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc14_14.2 (constants.%T.patt.29d)]
    212. 

  212. // CHECK:STDOUT:   } {
    213. 

  213. // CHECK:STDOUT:     %T.ref.loc21: %L.type = name_ref T, %T.loc21 [symbolic = %T.loc14_14.2 (constants.%T.1d2)]
    214. 

  214. // CHECK:STDOUT:     %T.as_type.loc21: type = facet_access_type %T.ref.loc21 [symbolic = %T.as_type.loc14_21.2 (constants.%T.as_type.0ed)]
    215. 

  215. // CHECK:STDOUT:     %.loc21: type = converted %T.ref.loc21, %T.as_type.loc21 [symbolic = %T.as_type.loc14_21.2 (constants.%T.as_type.0ed)]
    216. 

  216. // CHECK:STDOUT:     %Interface.ref.loc21: type = name_ref Interface, file.%Interface.decl [concrete = constants.%Interface.type]
    217. 

  217. // CHECK:STDOUT:     %L.ref.loc21: type = name_ref L, file.%L.decl [concrete = constants.%L.type]
    218. 

  218. // CHECK:STDOUT:     %T.loc21: %L.type = bind_symbolic_name T, 0 [symbolic = %T.loc14_14.2 (constants.%T.1d2)]
    219. 

  219. // CHECK:STDOUT:   }
    220. 

  220. // CHECK:STDOUT: }
    221. 

  221. // CHECK:STDOUT:
    222. 

  222. // CHECK:STDOUT: interface @Interface {
    223. 

  223. // CHECK:STDOUT:   %Self: %Interface.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.719]
    224. 

  224. // CHECK:STDOUT:
    225. 

  225. // CHECK:STDOUT: !members:
    226. 

  226. // CHECK:STDOUT:   .Self = %Self
    227. 

  227. // CHECK:STDOUT:   witness = ()
    228. 

  228. // CHECK:STDOUT: }
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: interface @I {
    231. 

  231. // CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.826]
    232. 

  232. // CHECK:STDOUT:
    233. 

  233. // CHECK:STDOUT: !members:
    234. 

  234. // CHECK:STDOUT:   .Self = %Self
    235. 

  235. // CHECK:STDOUT:   witness = ()
    236. 

  236. // CHECK:STDOUT: }
    237. 

  237. // CHECK:STDOUT:
    238. 

  238. // CHECK:STDOUT: interface @J {
    239. 

  239. // CHECK:STDOUT:   %Self: %J.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.ccd]
    240. 

  240. // CHECK:STDOUT:
    241. 

  241. // CHECK:STDOUT: !members:
    242. 

  242. // CHECK:STDOUT:   .Self = %Self
    243. 

  243. // CHECK:STDOUT:   witness = ()
    244. 

  244. // CHECK:STDOUT: }
    245. 

  245. // CHECK:STDOUT:
    246. 

  246. // CHECK:STDOUT: interface @K {
    247. 

  247. // CHECK:STDOUT:   %Self: %K.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.09f]
    248. 

  248. // CHECK:STDOUT:
    249. 

  249. // CHECK:STDOUT: !members:
    250. 

  250. // CHECK:STDOUT:   .Self = %Self
    251. 

  251. // CHECK:STDOUT:   witness = ()
    252. 

  252. // CHECK:STDOUT: }
    253. 

  253. // CHECK:STDOUT:
    254. 

  254. // CHECK:STDOUT: interface @L {
    255. 

  255. // CHECK:STDOUT:   %Self: %L.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.1d2]
    256. 

  256. // CHECK:STDOUT:
    257. 

  257. // CHECK:STDOUT: !members:
    258. 

  258. // CHECK:STDOUT:   .Self = %Self
    259. 

  259. // CHECK:STDOUT:   witness = ()
    260. 

  260. // CHECK:STDOUT: }
    261. 

  261. // CHECK:STDOUT:
    262. 

  262. // CHECK:STDOUT: generic impl @impl.c3d(%T.loc11_14.1: %I.type) {
    263. 

  263. // CHECK:STDOUT:   %T.loc11_14.2: %I.type = bind_symbolic_name T, 0 [symbolic = %T.loc11_14.2 (constants.%T.826)]
    264. 

  264. // CHECK:STDOUT:   %T.patt.loc11_14.2: %I.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc11_14.2 (constants.%T.patt.3ad)]
    265. 

  265. // CHECK:STDOUT:   %T.as_type.loc11_21.2: type = facet_access_type %T.loc11_14.2 [symbolic = %T.as_type.loc11_21.2 (constants.%T.as_type.b70)]
    266. 

  266. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.c3d(%T.loc11_14.2) [symbolic = %impl_witness (constants.%impl_witness.d14)]
    267. 

  267. // CHECK:STDOUT:
    268. 

  268. // CHECK:STDOUT: !definition:
    269. 

  269. // CHECK:STDOUT:
    270. 

  270. // CHECK:STDOUT:   impl: %.loc11 as %Interface.ref.loc11 {
    271. 

  271. // CHECK:STDOUT:   !members:
    272. 

  272. // CHECK:STDOUT:     witness = file.%impl_witness.loc11
    273. 

  273. // CHECK:STDOUT:   }
    274. 

  274. // CHECK:STDOUT: }
    275. 

  275. // CHECK:STDOUT:
    276. 

  276. // CHECK:STDOUT: generic impl @impl.793(%T.loc12_14.1: %J.type) {
    277. 

  277. // CHECK:STDOUT:   %T.loc12_14.2: %J.type = bind_symbolic_name T, 0 [symbolic = %T.loc12_14.2 (constants.%T.ccd)]
    278. 

  278. // CHECK:STDOUT:   %T.patt.loc12_14.2: %J.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc12_14.2 (constants.%T.patt.371)]
    279. 

  279. // CHECK:STDOUT:   %T.as_type.loc12_21.2: type = facet_access_type %T.loc12_14.2 [symbolic = %T.as_type.loc12_21.2 (constants.%T.as_type.3df)]
    280. 

  280. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.793(%T.loc12_14.2) [symbolic = %impl_witness (constants.%impl_witness.d94)]
    281. 

  281. // CHECK:STDOUT:
    282. 

  282. // CHECK:STDOUT: !definition:
    283. 

  283. // CHECK:STDOUT:
    284. 

  284. // CHECK:STDOUT:   impl: %.loc12 as %Interface.ref.loc12 {
    285. 

  285. // CHECK:STDOUT:   !members:
    286. 

  286. // CHECK:STDOUT:     witness = file.%impl_witness.loc12
    287. 

  287. // CHECK:STDOUT:   }
    288. 

  288. // CHECK:STDOUT: }
    289. 

  289. // CHECK:STDOUT:
    290. 

  290. // CHECK:STDOUT: generic impl @impl.c93(%T.loc13_14.1: %K.type) {
    291. 

  291. // CHECK:STDOUT:   %T.loc13_14.2: %K.type = bind_symbolic_name T, 0 [symbolic = %T.loc13_14.2 (constants.%T.09f)]
    292. 

  292. // CHECK:STDOUT:   %T.patt.loc13_14.2: %K.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc13_14.2 (constants.%T.patt.036)]
    293. 

  293. // CHECK:STDOUT:   %T.as_type.loc13_21.2: type = facet_access_type %T.loc13_14.2 [symbolic = %T.as_type.loc13_21.2 (constants.%T.as_type.037)]
    294. 

  294. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.c93(%T.loc13_14.2) [symbolic = %impl_witness (constants.%impl_witness.8aa)]
    295. 

  295. // CHECK:STDOUT:
    296. 

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

  297. // CHECK:STDOUT:
    298. 

  298. // CHECK:STDOUT:   impl: %.loc13 as %Interface.ref.loc13 {
    299. 

  299. // CHECK:STDOUT:   !members:
    300. 

  300. // CHECK:STDOUT:     witness = file.%impl_witness.loc13
    301. 

  301. // CHECK:STDOUT:   }
    302. 

  302. // CHECK:STDOUT: }
    303. 

  303. // CHECK:STDOUT:
    304. 

  304. // CHECK:STDOUT: generic impl @impl.9e6(%T.loc14_14.1: %L.type) {
    305. 

  305. // CHECK:STDOUT:   %T.loc14_14.2: %L.type = bind_symbolic_name T, 0 [symbolic = %T.loc14_14.2 (constants.%T.1d2)]
    306. 

  306. // CHECK:STDOUT:   %T.patt.loc14_14.2: %L.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc14_14.2 (constants.%T.patt.29d)]
    307. 

  307. // CHECK:STDOUT:   %T.as_type.loc14_21.2: type = facet_access_type %T.loc14_14.2 [symbolic = %T.as_type.loc14_21.2 (constants.%T.as_type.0ed)]
    308. 

  308. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.9e6(%T.loc14_14.2) [symbolic = %impl_witness (constants.%impl_witness.da5)]
    309. 

  309. // CHECK:STDOUT:
    310. 

  310. // CHECK:STDOUT: !definition:
    311. 

  311. // CHECK:STDOUT:
    312. 

  312. // CHECK:STDOUT:   impl: %.loc14 as %Interface.ref.loc14 {
    313. 

  313. // CHECK:STDOUT:   !members:
    314. 

  314. // CHECK:STDOUT:     witness = file.%impl_witness.loc14
    315. 

  315. // CHECK:STDOUT:   }
    316. 

  316. // CHECK:STDOUT: }
    317. 

  317. // CHECK:STDOUT:
    318. 

  318. // CHECK:STDOUT: specific @impl.c3d(constants.%T.826) {
    319. 

  319. // CHECK:STDOUT:   %T.loc11_14.2 => constants.%T.826
    320. 

  320. // CHECK:STDOUT:   %T.patt.loc11_14.2 => constants.%T.patt.3ad
    321. 

  321. // CHECK:STDOUT:   %T.as_type.loc11_21.2 => constants.%T.as_type.b70
    322. 

  322. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.d14
    323. 

  323. // CHECK:STDOUT: }
    324. 

  324. // CHECK:STDOUT:
    325. 

  325. // CHECK:STDOUT: specific @impl.c3d(%T.loc11_14.2) {}
    326. 

  326. // CHECK:STDOUT:
    327. 

  327. // CHECK:STDOUT: specific @impl.793(constants.%T.ccd) {
    328. 

  328. // CHECK:STDOUT:   %T.loc12_14.2 => constants.%T.ccd
    329. 

  329. // CHECK:STDOUT:   %T.patt.loc12_14.2 => constants.%T.patt.371
    330. 

  330. // CHECK:STDOUT:   %T.as_type.loc12_21.2 => constants.%T.as_type.3df
    331. 

  331. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.d94
    332. 

  332. // CHECK:STDOUT: }
    333. 

  333. // CHECK:STDOUT:
    334. 

  334. // CHECK:STDOUT: specific @impl.793(%T.loc12_14.2) {}
    335. 

  335. // CHECK:STDOUT:
    336. 

  336. // CHECK:STDOUT: specific @impl.c93(constants.%T.09f) {
    337. 

  337. // CHECK:STDOUT:   %T.loc13_14.2 => constants.%T.09f
    338. 

  338. // CHECK:STDOUT:   %T.patt.loc13_14.2 => constants.%T.patt.036
    339. 

  339. // CHECK:STDOUT:   %T.as_type.loc13_21.2 => constants.%T.as_type.037
    340. 

  340. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.8aa
    341. 

  341. // CHECK:STDOUT: }
    342. 

  342. // CHECK:STDOUT:
    343. 

  343. // CHECK:STDOUT: specific @impl.c93(%T.loc13_14.2) {}
    344. 

  344. // CHECK:STDOUT:
    345. 

  345. // CHECK:STDOUT: specific @impl.9e6(constants.%T.1d2) {
    346. 

  346. // CHECK:STDOUT:   %T.loc14_14.2 => constants.%T.1d2
    347. 

  347. // CHECK:STDOUT:   %T.patt.loc14_14.2 => constants.%T.patt.29d
    348. 

  348. // CHECK:STDOUT:   %T.as_type.loc14_21.2 => constants.%T.as_type.0ed
    349. 

  349. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.da5
    350. 

  350. // CHECK:STDOUT: }
    351. 

  351. // CHECK:STDOUT:
    352. 

  352. // CHECK:STDOUT: specific @impl.9e6(%T.loc14_14.2) {}
    353. 

  353. // CHECK:STDOUT:
    354. 

  354. // CHECK:STDOUT: --- fail_same_self_and_interface_redefined.carbon
    355. 

  355. // CHECK:STDOUT:
    356. 

  356. // CHECK:STDOUT: constants {
    357. 

  357. // CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
    358. 

  358. // CHECK:STDOUT:   %Self.826: %I.type = bind_symbolic_name Self, 0 [symbolic]
    359. 

  359. // CHECK:STDOUT:   %J.type: type = facet_type <@J> [concrete]
    360. 

  360. // CHECK:STDOUT:   %Self.ccd: %J.type = bind_symbolic_name Self, 0 [symbolic]
    361. 

  361. // CHECK:STDOUT:   %T: %I.type = bind_symbolic_name T, 0 [symbolic]
    362. 

  362. // CHECK:STDOUT:   %T.patt: %I.type = symbolic_binding_pattern T, 0 [symbolic]
    363. 

  363. // CHECK:STDOUT:   %T.as_type: type = facet_access_type %T [symbolic]
    364. 

  364. // CHECK:STDOUT:   %impl_witness.1896b7.1: <witness> = impl_witness (), @impl.bfd509.1(%T) [symbolic]
    365. 

  365. // CHECK:STDOUT:   %impl_witness.1896b7.2: <witness> = impl_witness (), @impl.bfd509.2(%T) [symbolic]
    366. 

  366. // CHECK:STDOUT: }
    367. 

  367. // CHECK:STDOUT:
    368. 

  368. // CHECK:STDOUT: file {
    369. 

  369. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    370. 

  370. // CHECK:STDOUT:     .I = %I.decl
    371. 

  371. // CHECK:STDOUT:     .J = %J.decl
    372. 

  372. // CHECK:STDOUT:   }
    373. 

  373. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
    374. 

  374. // CHECK:STDOUT:   %J.decl: type = interface_decl @J [concrete = constants.%J.type] {} {}
    375. 

  375. // CHECK:STDOUT:   impl_decl @impl.bfd509.1 [concrete] {
    376. 

  376. // CHECK:STDOUT:     %T.patt.loc7_14.1: %I.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc7_14.2 (constants.%T.patt)]
    377. 

  377. // CHECK:STDOUT:   } {
    378. 

  378. // CHECK:STDOUT:     %T.ref: %I.type = name_ref T, %T.loc7_14.1 [symbolic = %T.loc7_14.2 (constants.%T)]
    379. 

  379. // CHECK:STDOUT:     %T.as_type.loc7_21.1: type = facet_access_type %T.ref [symbolic = %T.as_type.loc7_21.2 (constants.%T.as_type)]
    380. 

  380. // CHECK:STDOUT:     %.loc7: type = converted %T.ref, %T.as_type.loc7_21.1 [symbolic = %T.as_type.loc7_21.2 (constants.%T.as_type)]
    381. 

  381. // CHECK:STDOUT:     %J.ref: type = name_ref J, file.%J.decl [concrete = constants.%J.type]
    382. 

  382. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    383. 

  383. // CHECK:STDOUT:     %T.loc7_14.1: %I.type = bind_symbolic_name T, 0 [symbolic = %T.loc7_14.2 (constants.%T)]
    384. 

  384. // CHECK:STDOUT:   }
    385. 

  385. // CHECK:STDOUT:   %impl_witness.loc7: <witness> = impl_witness (), @impl.bfd509.1(constants.%T) [symbolic = @impl.bfd509.1.%impl_witness (constants.%impl_witness.1896b7.1)]
    386. 

  386. // CHECK:STDOUT:   impl_decl @impl.bfd509.2 [concrete] {
    387. 

  387. // CHECK:STDOUT:     %T.patt.loc15_14.1: %I.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc15_14.2 (constants.%T.patt)]
    388. 

  388. // CHECK:STDOUT:   } {
    389. 

  389. // CHECK:STDOUT:     %T.ref: %I.type = name_ref T, %T.loc15_14.1 [symbolic = %T.loc15_14.2 (constants.%T)]
    390. 

  390. // CHECK:STDOUT:     %T.as_type.loc15_21.1: type = facet_access_type %T.ref [symbolic = %T.as_type.loc15_21.2 (constants.%T.as_type)]
    391. 

  391. // CHECK:STDOUT:     %.loc15: type = converted %T.ref, %T.as_type.loc15_21.1 [symbolic = %T.as_type.loc15_21.2 (constants.%T.as_type)]
    392. 

  392. // CHECK:STDOUT:     %J.ref: type = name_ref J, file.%J.decl [concrete = constants.%J.type]
    393. 

  393. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    394. 

  394. // CHECK:STDOUT:     %T.loc15_14.1: %I.type = bind_symbolic_name T, 0 [symbolic = %T.loc15_14.2 (constants.%T)]
    395. 

  395. // CHECK:STDOUT:   }
    396. 

  396. // CHECK:STDOUT:   %impl_witness.loc15: <witness> = impl_witness (), @impl.bfd509.2(constants.%T) [symbolic = @impl.bfd509.2.%impl_witness (constants.%impl_witness.1896b7.2)]
    397. 

  397. // CHECK:STDOUT: }
    398. 

  398. // CHECK:STDOUT:
    399. 

  399. // CHECK:STDOUT: interface @I {
    400. 

  400. // CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.826]
    401. 

  401. // CHECK:STDOUT:
    402. 

  402. // CHECK:STDOUT: !members:
    403. 

  403. // CHECK:STDOUT:   .Self = %Self
    404. 

  404. // CHECK:STDOUT:   witness = ()
    405. 

  405. // CHECK:STDOUT: }
    406. 

  406. // CHECK:STDOUT:
    407. 

  407. // CHECK:STDOUT: interface @J {
    408. 

  408. // CHECK:STDOUT:   %Self: %J.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self.ccd]
    409. 

  409. // CHECK:STDOUT:
    410. 

  410. // CHECK:STDOUT: !members:
    411. 

  411. // CHECK:STDOUT:   .Self = %Self
    412. 

  412. // CHECK:STDOUT:   witness = ()
    413. 

  413. // CHECK:STDOUT: }
    414. 

  414. // CHECK:STDOUT:
    415. 

  415. // CHECK:STDOUT: generic impl @impl.bfd509.1(%T.loc7_14.1: %I.type) {
    416. 

  416. // CHECK:STDOUT:   %T.loc7_14.2: %I.type = bind_symbolic_name T, 0 [symbolic = %T.loc7_14.2 (constants.%T)]
    417. 

  417. // CHECK:STDOUT:   %T.patt.loc7_14.2: %I.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc7_14.2 (constants.%T.patt)]
    418. 

  418. // CHECK:STDOUT:   %T.as_type.loc7_21.2: type = facet_access_type %T.loc7_14.2 [symbolic = %T.as_type.loc7_21.2 (constants.%T.as_type)]
    419. 

  419. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.bfd509.1(%T.loc7_14.2) [symbolic = %impl_witness (constants.%impl_witness.1896b7.1)]
    420. 

  420. // CHECK:STDOUT:
    421. 

  421. // CHECK:STDOUT: !definition:
    422. 

  422. // CHECK:STDOUT:
    423. 

  423. // CHECK:STDOUT:   impl: %.loc7 as %J.ref {
    424. 

  424. // CHECK:STDOUT:   !members:
    425. 

  425. // CHECK:STDOUT:     witness = file.%impl_witness.loc7
    426. 

  426. // CHECK:STDOUT:   }
    427. 

  427. // CHECK:STDOUT: }
    428. 

  428. // CHECK:STDOUT:
    429. 

  429. // CHECK:STDOUT: generic impl @impl.bfd509.2(%T.loc15_14.1: %I.type) {
    430. 

  430. // CHECK:STDOUT:   %T.loc15_14.2: %I.type = bind_symbolic_name T, 0 [symbolic = %T.loc15_14.2 (constants.%T)]
    431. 

  431. // CHECK:STDOUT:   %T.patt.loc15_14.2: %I.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc15_14.2 (constants.%T.patt)]
    432. 

  432. // CHECK:STDOUT:   %T.as_type.loc15_21.2: type = facet_access_type %T.loc15_14.2 [symbolic = %T.as_type.loc15_21.2 (constants.%T.as_type)]
    433. 

  433. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.bfd509.2(%T.loc15_14.2) [symbolic = %impl_witness (constants.%impl_witness.1896b7.2)]
    434. 

  434. // CHECK:STDOUT:
    435. 

  435. // CHECK:STDOUT: !definition:
    436. 

  436. // CHECK:STDOUT:
    437. 

  437. // CHECK:STDOUT:   impl: %.loc15 as %J.ref {
    438. 

  438. // CHECK:STDOUT:   !members:
    439. 

  439. // CHECK:STDOUT:     witness = file.%impl_witness.loc15
    440. 

  440. // CHECK:STDOUT:   }
    441. 

  441. // CHECK:STDOUT: }
    442. 

  442. // CHECK:STDOUT:
    443. 

  443. // CHECK:STDOUT: specific @impl.bfd509.1(constants.%T) {
    444. 

  444. // CHECK:STDOUT:   %T.loc7_14.2 => constants.%T
    445. 

  445. // CHECK:STDOUT:   %T.patt.loc7_14.2 => constants.%T.patt
    446. 

  446. // CHECK:STDOUT:   %T.as_type.loc7_21.2 => constants.%T.as_type
    447. 

  447. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.1896b7.1
    448. 

  448. // CHECK:STDOUT: }
    449. 

  449. // CHECK:STDOUT:
    450. 

  450. // CHECK:STDOUT: specific @impl.bfd509.1(%T.loc7_14.2) {}
    451. 

  451. // CHECK:STDOUT:
    452. 

  452. // CHECK:STDOUT: specific @impl.bfd509.2(constants.%T) {
    453. 

  453. // CHECK:STDOUT:   %T.loc15_14.2 => constants.%T
    454. 

  454. // CHECK:STDOUT:   %T.patt.loc15_14.2 => constants.%T.patt
    455. 

  455. // CHECK:STDOUT:   %T.as_type.loc15_21.2 => constants.%T.as_type
    456. 

  456. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.1896b7.2
    457. 

  457. // CHECK:STDOUT: }
    458. 

  458. // CHECK:STDOUT:
    459. 

  459. // CHECK:STDOUT: specific @impl.bfd509.2(%T.loc15_14.2) {}
    460. 

  460. // CHECK:STDOUT:
    461. 

  461. // CHECK:STDOUT: --- same_type_different_spelling.carbon
    462. 

  462. // CHECK:STDOUT:
    463. 

  463. // CHECK:STDOUT: constants {
    464. 

  464. // CHECK:STDOUT:   %C: type = class_type @C [concrete]
    465. 

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

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

  467. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness () [concrete]
    468. 

  468. // CHECK:STDOUT:   %tuple.type: type = tuple_type (type, type) [concrete]
    469. 

  469. // CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [concrete]
    470. 

  470. // CHECK:STDOUT:   %tuple: %tuple.type = tuple_value (%C, %C) [concrete]
    471. 

  471. // CHECK:STDOUT: }
    472. 

  472. // CHECK:STDOUT:
    473. 

  473. // CHECK:STDOUT: file {
    474. 

  474. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    475. 

  475. // CHECK:STDOUT:     .C = %C.decl
    476. 

  476. // CHECK:STDOUT:     .I = %I.decl
    477. 

  477. // CHECK:STDOUT:   }
    478. 

  478. // CHECK:STDOUT:   %C.decl: type = class_decl @C [concrete = constants.%C] {} {}
    479. 

  479. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
    480. 

  480. // CHECK:STDOUT:   impl_decl @impl.7704ae.1 [concrete] {} {
    481. 

  481. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [concrete = constants.%C]
    482. 

  482. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    483. 

  483. // CHECK:STDOUT:   }
    484. 

  484. // CHECK:STDOUT:   %impl_witness.loc13: <witness> = impl_witness () [concrete = constants.%impl_witness]
    485. 

  485. // CHECK:STDOUT:   impl_decl @impl.7704ae.2 [concrete] {} {
    486. 

  486. // CHECK:STDOUT:     %C.ref.loc14_7: type = name_ref C, file.%C.decl [concrete = constants.%C]
    487. 

  487. // CHECK:STDOUT:     %C.ref.loc14_10: type = name_ref C, file.%C.decl [concrete = constants.%C]
    488. 

  488. // CHECK:STDOUT:     %.loc14_11.1: %tuple.type = tuple_literal (%C.ref.loc14_7, %C.ref.loc14_10)
    489. 

  489. // CHECK:STDOUT:     %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
    490. 

  490. // CHECK:STDOUT:     %tuple: %tuple.type = tuple_value (%C.ref.loc14_7, %C.ref.loc14_10) [concrete = constants.%tuple]
    491. 

  491. // CHECK:STDOUT:     %.loc14_11.2: %tuple.type = converted %.loc14_11.1, %tuple [concrete = constants.%tuple]
    492. 

  492. // CHECK:STDOUT:     %tuple.elem0: type = tuple_access %.loc14_11.2, element0 [concrete = constants.%C]
    493. 

  493. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    494. 

  494. // CHECK:STDOUT:   }
    495. 

  495. // CHECK:STDOUT:   %impl_witness.loc14: <witness> = impl_witness () [concrete = constants.%impl_witness]
    496. 

  496. // CHECK:STDOUT: }
    497. 

  497. // CHECK:STDOUT:
    498. 

  498. // CHECK:STDOUT: interface @I {
    499. 

  499. // CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    500. 

  500. // CHECK:STDOUT:
    501. 

  501. // CHECK:STDOUT: !members:
    502. 

  502. // CHECK:STDOUT:   .Self = %Self
    503. 

  503. // CHECK:STDOUT:   witness = ()
    504. 

  504. // CHECK:STDOUT: }
    505. 

  505. // CHECK:STDOUT:
    506. 

  506. // CHECK:STDOUT: impl @impl.7704ae.1: %C.ref as %I.ref {
    507. 

  507. // CHECK:STDOUT: !members:
    508. 

  508. // CHECK:STDOUT:   witness = file.%impl_witness.loc13
    509. 

  509. // CHECK:STDOUT: }
    510. 

  510. // CHECK:STDOUT:
    511. 

  511. // CHECK:STDOUT: impl @impl.7704ae.2: %tuple.elem0 as %I.ref {
    512. 

  512. // CHECK:STDOUT: !members:
    513. 

  513. // CHECK:STDOUT:   witness = file.%impl_witness.loc14
    514. 

  514. // CHECK:STDOUT: }
    515. 

  515. // CHECK:STDOUT:
    516. 

  516. // CHECK:STDOUT: class @C;
    517. 

  517. // CHECK:STDOUT:
    518. 

  518. // CHECK:STDOUT: --- fail_redefinition_generic_regions.carbon
    519. 

  519. // CHECK:STDOUT:
    520. 

  520. // CHECK:STDOUT: constants {
    521. 

  521. // CHECK:STDOUT:   %I.type: type = facet_type <@I> [concrete]
    522. 

  522. // CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic]
    523. 

  523. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic]
    524. 

  524. // CHECK:STDOUT:   %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
    525. 

  525. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    526. 

  526. // CHECK:STDOUT:   %impl_witness.1f09a1.1: <witness> = impl_witness (), @impl.2caff2.1(%T) [symbolic]
    527. 

  527. // CHECK:STDOUT:   %A.type: type = fn_type @A, @impl.2caff2.1(%T) [symbolic]
    528. 

  528. // CHECK:STDOUT:   %A: %A.type = struct_value () [symbolic]
    529. 

  529. // CHECK:STDOUT:   %impl_witness.1f09a1.2: <witness> = impl_witness (), @impl.2caff2.2(%T) [symbolic]
    530. 

  530. // CHECK:STDOUT:   %B.type: type = fn_type @B, @impl.2caff2.2(%T) [symbolic]
    531. 

  531. // CHECK:STDOUT:   %B: %B.type = struct_value () [symbolic]
    532. 

  532. // CHECK:STDOUT:   %C.type: type = fn_type @C, @impl.2caff2.2(%T) [symbolic]
    533. 

  533. // CHECK:STDOUT:   %C: %C.type = struct_value () [symbolic]
    534. 

  534. // CHECK:STDOUT:   %D.type: type = fn_type @D, @impl.2caff2.2(%T) [symbolic]
    535. 

  535. // CHECK:STDOUT:   %D: %D.type = struct_value () [symbolic]
    536. 

  536. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
    537. 

  537. // CHECK:STDOUT:   %C.specific_fn: <specific function> = specific_function %C, @C(%T) [symbolic]
    538. 

  538. // CHECK:STDOUT: }
    539. 

  539. // CHECK:STDOUT:
    540. 

  540. // CHECK:STDOUT: file {
    541. 

  541. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    542. 

  542. // CHECK:STDOUT:     .I = %I.decl
    543. 

  543. // CHECK:STDOUT:   }
    544. 

  544. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [concrete = constants.%I.type] {} {}
    545. 

  545. // CHECK:STDOUT:   impl_decl @impl.2caff2.1 [concrete] {
    546. 

  546. // CHECK:STDOUT:     %T.patt.loc4_14.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_14.2 (constants.%T.patt)]
    547. 

  547. // CHECK:STDOUT:   } {
    548. 

  548. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc4_14.1 [symbolic = %T.loc4_14.2 (constants.%T)]
    549. 

  549. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    550. 

  550. // CHECK:STDOUT:     %T.loc4_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_14.2 (constants.%T)]
    551. 

  551. // CHECK:STDOUT:   }
    552. 

  552. // CHECK:STDOUT:   %impl_witness.loc4: <witness> = impl_witness (), @impl.2caff2.1(constants.%T) [symbolic = @impl.2caff2.1.%impl_witness (constants.%impl_witness.1f09a1.1)]
    553. 

  553. // CHECK:STDOUT:   impl_decl @impl.2caff2.2 [concrete] {
    554. 

  554. // CHECK:STDOUT:     %T.patt.loc15_14.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc15_14.2 (constants.%T.patt)]
    555. 

  555. // CHECK:STDOUT:   } {
    556. 

  556. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc15_14.1 [symbolic = %T.loc15_14.2 (constants.%T)]
    557. 

  557. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [concrete = constants.%I.type]
    558. 

  558. // CHECK:STDOUT:     %T.loc15_14.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc15_14.2 (constants.%T)]
    559. 

  559. // CHECK:STDOUT:   }
    560. 

  560. // CHECK:STDOUT:   %impl_witness.loc15: <witness> = impl_witness (), @impl.2caff2.2(constants.%T) [symbolic = @impl.2caff2.2.%impl_witness (constants.%impl_witness.1f09a1.2)]
    561. 

  561. // CHECK:STDOUT: }
    562. 

  562. // CHECK:STDOUT:
    563. 

  563. // CHECK:STDOUT: interface @I {
    564. 

  564. // CHECK:STDOUT:   %Self: %I.type = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    565. 

  565. // CHECK:STDOUT:
    566. 

  566. // CHECK:STDOUT: !members:
    567. 

  567. // CHECK:STDOUT:   .Self = %Self
    568. 

  568. // CHECK:STDOUT:   witness = ()
    569. 

  569. // CHECK:STDOUT: }
    570. 

  570. // CHECK:STDOUT:
    571. 

  571. // CHECK:STDOUT: generic impl @impl.2caff2.1(%T.loc4_14.1: type) {
    572. 

  572. // CHECK:STDOUT:   %T.loc4_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_14.2 (constants.%T)]
    573. 

  573. // CHECK:STDOUT:   %T.patt.loc4_14.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_14.2 (constants.%T.patt)]
    574. 

  574. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.2caff2.1(%T.loc4_14.2) [symbolic = %impl_witness (constants.%impl_witness.1f09a1.1)]
    575. 

  575. // CHECK:STDOUT:
    576. 

  576. // CHECK:STDOUT: !definition:
    577. 

  577. // CHECK:STDOUT:   %A.type: type = fn_type @A, @impl.2caff2.1(%T.loc4_14.2) [symbolic = %A.type (constants.%A.type)]
    578. 

  578. // CHECK:STDOUT:   %A: @impl.2caff2.1.%A.type (%A.type) = struct_value () [symbolic = %A (constants.%A)]
    579. 

  579. // CHECK:STDOUT:
    580. 

  580. // CHECK:STDOUT:   impl: %T.ref as %I.ref {
    581. 

  581. // CHECK:STDOUT:     %A.decl: @impl.2caff2.1.%A.type (%A.type) = fn_decl @A [symbolic = @impl.2caff2.1.%A (constants.%A)] {} {}
    582. 

  582. // CHECK:STDOUT:
    583. 

  583. // CHECK:STDOUT:   !members:
    584. 

  584. // CHECK:STDOUT:     .A = %A.decl
    585. 

  585. // CHECK:STDOUT:     witness = file.%impl_witness.loc4
    586. 

  586. // CHECK:STDOUT:   }
    587. 

  587. // CHECK:STDOUT: }
    588. 

  588. // CHECK:STDOUT:
    589. 

  589. // CHECK:STDOUT: generic impl @impl.2caff2.2(%T.loc15_14.1: type) {
    590. 

  590. // CHECK:STDOUT:   %T.loc15_14.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc15_14.2 (constants.%T)]
    591. 

  591. // CHECK:STDOUT:   %T.patt.loc15_14.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc15_14.2 (constants.%T.patt)]
    592. 

  592. // CHECK:STDOUT:   %impl_witness: <witness> = impl_witness (), @impl.2caff2.2(%T.loc15_14.2) [symbolic = %impl_witness (constants.%impl_witness.1f09a1.2)]
    593. 

  593. // CHECK:STDOUT:
    594. 

  594. // CHECK:STDOUT: !definition:
    595. 

  595. // CHECK:STDOUT:   %B.type: type = fn_type @B, @impl.2caff2.2(%T.loc15_14.2) [symbolic = %B.type (constants.%B.type)]
    596. 

  596. // CHECK:STDOUT:   %B: @impl.2caff2.2.%B.type (%B.type) = struct_value () [symbolic = %B (constants.%B)]
    597. 

  597. // CHECK:STDOUT:   %C.type: type = fn_type @C, @impl.2caff2.2(%T.loc15_14.2) [symbolic = %C.type (constants.%C.type)]
    598. 

  598. // CHECK:STDOUT:   %C: @impl.2caff2.2.%C.type (%C.type) = struct_value () [symbolic = %C (constants.%C)]
    599. 

  599. // CHECK:STDOUT:   %D.type: type = fn_type @D, @impl.2caff2.2(%T.loc15_14.2) [symbolic = %D.type (constants.%D.type)]
    600. 

  600. // CHECK:STDOUT:   %D: @impl.2caff2.2.%D.type (%D.type) = struct_value () [symbolic = %D (constants.%D)]
    601. 

  601. // CHECK:STDOUT:
    602. 

  602. // CHECK:STDOUT:   impl: %T.ref as %I.ref {
    603. 

  603. // CHECK:STDOUT:     %B.decl: @impl.2caff2.2.%B.type (%B.type) = fn_decl @B [symbolic = @impl.2caff2.2.%B (constants.%B)] {} {}
    604. 

  604. // CHECK:STDOUT:     %C.decl: @impl.2caff2.2.%C.type (%C.type) = fn_decl @C [symbolic = @impl.2caff2.2.%C (constants.%C)] {
    605. 

  605. // CHECK:STDOUT:       %return.patt: %empty_tuple.type = return_slot_pattern
    606. 

  606. // CHECK:STDOUT:       %return.param_patt: %empty_tuple.type = out_param_pattern %return.patt, call_param0
    607. 

  607. // CHECK:STDOUT:     } {
    608. 

  608. // CHECK:STDOUT:       %.loc19_14.1: %empty_tuple.type = tuple_literal ()
    609. 

  609. // CHECK:STDOUT:       %.loc19_14.2: type = converted %.loc19_14.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    610. 

  610. // CHECK:STDOUT:       %return.param: ref %empty_tuple.type = out_param call_param0
    611. 

  611. // CHECK:STDOUT:       %return: ref %empty_tuple.type = return_slot %return.param
    612. 

  612. // CHECK:STDOUT:     }
    613. 

  613. // CHECK:STDOUT:     %D.decl: @impl.2caff2.2.%D.type (%D.type) = fn_decl @D [symbolic = @impl.2caff2.2.%D (constants.%D)] {
    614. 

  614. // CHECK:STDOUT:       %return.patt: %empty_tuple.type = return_slot_pattern
    615. 

  615. // CHECK:STDOUT:       %return.param_patt: %empty_tuple.type = out_param_pattern %return.patt, call_param0
    616. 

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

  617. // CHECK:STDOUT:       %.loc20_14.1: %empty_tuple.type = tuple_literal ()
    618. 

  618. // CHECK:STDOUT:       %.loc20_14.2: type = converted %.loc20_14.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    619. 

  619. // CHECK:STDOUT:       %return.param: ref %empty_tuple.type = out_param call_param0
    620. 

  620. // CHECK:STDOUT:       %return: ref %empty_tuple.type = return_slot %return.param
    621. 

  621. // CHECK:STDOUT:     }
    622. 

  622. // CHECK:STDOUT:
    623. 

  623. // CHECK:STDOUT:   !members:
    624. 

  624. // CHECK:STDOUT:     .B = %B.decl
    625. 

  625. // CHECK:STDOUT:     .C = %C.decl
    626. 

  626. // CHECK:STDOUT:     .D = %D.decl
    627. 

  627. // CHECK:STDOUT:     witness = file.%impl_witness.loc15
    628. 

  628. // CHECK:STDOUT:   }
    629. 

  629. // CHECK:STDOUT: }
    630. 

  630. // CHECK:STDOUT:
    631. 

  631. // CHECK:STDOUT: generic fn @A(@impl.2caff2.1.%T.loc4_14.1: type) {
    632. 

  632. // CHECK:STDOUT: !definition:
    633. 

  633. // CHECK:STDOUT:
    634. 

  634. // CHECK:STDOUT:   fn() {
    635. 

  635. // CHECK:STDOUT:   !entry:
    636. 

  636. // CHECK:STDOUT:     return
    637. 

  637. // CHECK:STDOUT:   }
    638. 

  638. // CHECK:STDOUT: }
    639. 

  639. // CHECK:STDOUT:
    640. 

  640. // CHECK:STDOUT: generic fn @B(@impl.2caff2.2.%T.loc15_14.1: type) {
    641. 

  641. // CHECK:STDOUT: !definition:
    642. 

  642. // CHECK:STDOUT:
    643. 

  643. // CHECK:STDOUT:   fn() {
    644. 

  644. // CHECK:STDOUT:   !entry:
    645. 

  645. // CHECK:STDOUT:     return
    646. 

  646. // CHECK:STDOUT:   }
    647. 

  647. // CHECK:STDOUT: }
    648. 

  648. // CHECK:STDOUT:
    649. 

  649. // CHECK:STDOUT: generic fn @C(@impl.2caff2.2.%T.loc15_14.1: type) {
    650. 

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

  651. // CHECK:STDOUT:
    652. 

  652. // CHECK:STDOUT:   fn() -> %empty_tuple.type {
    653. 

  653. // CHECK:STDOUT:   !entry:
    654. 

  654. // CHECK:STDOUT:     %.loc19_26: %empty_tuple.type = tuple_literal ()
    655. 

  655. // CHECK:STDOUT:     %empty_tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
    656. 

  656. // CHECK:STDOUT:     %.loc19_27: %empty_tuple.type = converted %.loc19_26, %empty_tuple [concrete = constants.%empty_tuple]
    657. 

  657. // CHECK:STDOUT:     return %.loc19_27
    658. 

  658. // CHECK:STDOUT:   }
    659. 

  659. // CHECK:STDOUT: }
    660. 

  660. // CHECK:STDOUT:
    661. 

  661. // CHECK:STDOUT: generic fn @D(@impl.2caff2.2.%T.loc15_14.1: type) {
    662. 

  662. // CHECK:STDOUT: !definition:
    663. 

  663. // CHECK:STDOUT:   %T: type = bind_symbolic_name T, 0 [symbolic = %T (constants.%T)]
    664. 

  664. // CHECK:STDOUT:   %C.type: type = fn_type @C, @impl.2caff2.2(%T) [symbolic = %C.type (constants.%C.type)]
    665. 

  665. // CHECK:STDOUT:   %C: @D.%C.type (%C.type) = struct_value () [symbolic = %C (constants.%C)]
    666. 

  666. // CHECK:STDOUT:   %C.specific_fn.loc21_12.2: <specific function> = specific_function %C, @C(%T) [symbolic = %C.specific_fn.loc21_12.2 (constants.%C.specific_fn)]
    667. 

  667. // CHECK:STDOUT:
    668. 

  668. // CHECK:STDOUT:   fn() -> %empty_tuple.type {
    669. 

  669. // CHECK:STDOUT:   !entry:
    670. 

  670. // CHECK:STDOUT:     %.loc21_12: @D.%C.type (%C.type) = specific_constant @impl.2caff2.2.%C.decl, @impl.2caff2.2(constants.%T) [symbolic = %C (constants.%C)]
    671. 

  671. // CHECK:STDOUT:     %C.ref: @D.%C.type (%C.type) = name_ref C, %.loc21_12 [symbolic = %C (constants.%C)]
    672. 

  672. // CHECK:STDOUT:     %C.specific_fn.loc21_12.1: <specific function> = specific_function %C.ref, @C(constants.%T) [symbolic = %C.specific_fn.loc21_12.2 (constants.%C.specific_fn)]
    673. 

  673. // CHECK:STDOUT:     %C.call: init %empty_tuple.type = call %C.specific_fn.loc21_12.1()
    674. 

  674. // CHECK:STDOUT:     %.loc21_14.1: ref %empty_tuple.type = temporary_storage
    675. 

  675. // CHECK:STDOUT:     %.loc21_14.2: ref %empty_tuple.type = temporary %.loc21_14.1, %C.call
    676. 

  676. // CHECK:STDOUT:     %tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
    677. 

  677. // CHECK:STDOUT:     %.loc21_15: %empty_tuple.type = converted %C.call, %tuple [concrete = constants.%empty_tuple]
    678. 

  678. // CHECK:STDOUT:     return %.loc21_15
    679. 

  679. // CHECK:STDOUT:   }
    680. 

  680. // CHECK:STDOUT: }
    681. 

  681. // CHECK:STDOUT:
    682. 

  682. // CHECK:STDOUT: specific @impl.2caff2.1(constants.%T) {
    683. 

  683. // CHECK:STDOUT:   %T.loc4_14.2 => constants.%T
    684. 

  684. // CHECK:STDOUT:   %T.patt.loc4_14.2 => constants.%T.patt
    685. 

  685. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.1f09a1.1
    686. 

  686. // CHECK:STDOUT:
    687. 

  687. // CHECK:STDOUT: !definition:
    688. 

  688. // CHECK:STDOUT:   %A.type => constants.%A.type
    689. 

  689. // CHECK:STDOUT:   %A => constants.%A
    690. 

  690. // CHECK:STDOUT: }
    691. 

  691. // CHECK:STDOUT:
    692. 

  692. // CHECK:STDOUT: specific @impl.2caff2.1(%T.loc4_14.2) {}
    693. 

  693. // CHECK:STDOUT:
    694. 

  694. // CHECK:STDOUT: specific @A(constants.%T) {}
    695. 

  695. // CHECK:STDOUT:
    696. 

  696. // CHECK:STDOUT: specific @impl.2caff2.2(constants.%T) {
    697. 

  697. // CHECK:STDOUT:   %T.loc15_14.2 => constants.%T
    698. 

  698. // CHECK:STDOUT:   %T.patt.loc15_14.2 => constants.%T.patt
    699. 

  699. // CHECK:STDOUT:   %impl_witness => constants.%impl_witness.1f09a1.2
    700. 

  700. // CHECK:STDOUT:
    701. 

  701. // CHECK:STDOUT: !definition:
    702. 

  702. // CHECK:STDOUT:   %B.type => constants.%B.type
    703. 

  703. // CHECK:STDOUT:   %B => constants.%B
    704. 

  704. // CHECK:STDOUT:   %C.type => constants.%C.type
    705. 

  705. // CHECK:STDOUT:   %C => constants.%C
    706. 

  706. // CHECK:STDOUT:   %D.type => constants.%D.type
    707. 

  707. // CHECK:STDOUT:   %D => constants.%D
    708. 

  708. // CHECK:STDOUT: }
    709. 

  709. // CHECK:STDOUT:
    710. 

  710. // CHECK:STDOUT: specific @impl.2caff2.2(%T.loc15_14.2) {}
    711. 

  711. // CHECK:STDOUT:
    712. 

  712. // CHECK:STDOUT: specific @B(constants.%T) {}
    713. 

  713. // CHECK:STDOUT:
    714. 

  714. // CHECK:STDOUT: specific @C(constants.%T) {
    715. 

  715. // CHECK:STDOUT: !definition:
    716. 

  716. // CHECK:STDOUT: }
    717. 

  717. // CHECK:STDOUT:
    718. 

  718. // CHECK:STDOUT: specific @D(constants.%T) {}
    719. 

  719. // CHECK:STDOUT:
    720. 

  720. // CHECK:STDOUT: specific @impl.2caff2.2(@D.%T) {}
    721. 

  721. // CHECK:STDOUT:
    722. 

  722. // CHECK:STDOUT: specific @C(@D.%T) {}
    723. 

  723. // CHECK:STDOUT:
    724.