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generic_redeclaration.carbon

generic_redeclaration.carbon 22 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 two different impls, so this is not a redefinition, 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+6]]:1: error: redefinition of `impl T as J`
    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
    46. 

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

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

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

  49. 

  50. // --- same_type_different_spelling.carbon
    51. 

  51. 

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

  53. 

  54. class C;
    55. 

  55. interface I {}
    56. 

  56. 

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

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

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

  60. //
    61. 

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

  62. // impl.
    63. 

  63. impl C as I {}
    64. 

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

  65. 

  66. // CHECK:STDOUT: --- same_self_and_interface.carbon
    67. 

  67. // CHECK:STDOUT:
    68. 

  68. // CHECK:STDOUT: constants {
    69. 

  69. // CHECK:STDOUT:   %.1: type = interface_type @Interface [template]
    70. 

  70. // CHECK:STDOUT:   %Self.1: %.1 = bind_symbolic_name Self, 0 [symbolic]
    71. 

  71. // CHECK:STDOUT:   %.2: type = interface_type @I [template]
    72. 

  72. // CHECK:STDOUT:   %Self.2: %.2 = bind_symbolic_name Self, 0 [symbolic]
    73. 

  73. // CHECK:STDOUT:   %.3: type = interface_type @J [template]
    74. 

  74. // CHECK:STDOUT:   %Self.3: %.3 = bind_symbolic_name Self, 0 [symbolic]
    75. 

  75. // CHECK:STDOUT:   %.4: type = interface_type @K [template]
    76. 

  76. // CHECK:STDOUT:   %Self.4: %.4 = bind_symbolic_name Self, 0 [symbolic]
    77. 

  77. // CHECK:STDOUT:   %.5: type = interface_type @L [template]
    78. 

  78. // CHECK:STDOUT:   %Self.5: %.5 = bind_symbolic_name Self, 0 [symbolic]
    79. 

  79. // CHECK:STDOUT:   %T.1: %.2 = bind_symbolic_name T, 0 [symbolic]
    80. 

  80. // CHECK:STDOUT:   %T.2: %.3 = bind_symbolic_name T, 0 [symbolic]
    81. 

  81. // CHECK:STDOUT:   %T.3: %.4 = bind_symbolic_name T, 0 [symbolic]
    82. 

  82. // CHECK:STDOUT:   %T.4: %.5 = bind_symbolic_name T, 0 [symbolic]
    83. 

  83. // CHECK:STDOUT:   %.6: type = tuple_type () [template]
    84. 

  84. // CHECK:STDOUT:   %.7: <witness> = interface_witness () [template]
    85. 

  85. // CHECK:STDOUT: }
    86. 

  86. // CHECK:STDOUT:
    87. 

  87. // CHECK:STDOUT: file {
    88. 

  88. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    89. 

  89. // CHECK:STDOUT:     .Interface = %Interface.decl
    90. 

  90. // CHECK:STDOUT:     .I = %I.decl
    91. 

  91. // CHECK:STDOUT:     .J = %J.decl
    92. 

  92. // CHECK:STDOUT:     .K = %K.decl
    93. 

  93. // CHECK:STDOUT:     .L = %L.decl
    94. 

  94. // CHECK:STDOUT:   }
    95. 

  95. // CHECK:STDOUT:   %Interface.decl: type = interface_decl @Interface [template = constants.%.1] {} {}
    96. 

  96. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [template = constants.%.2] {} {}
    97. 

  97. // CHECK:STDOUT:   %J.decl: type = interface_decl @J [template = constants.%.3] {} {}
    98. 

  98. // CHECK:STDOUT:   %K.decl: type = interface_decl @K [template = constants.%.4] {} {}
    99. 

  99. // CHECK:STDOUT:   %L.decl: type = interface_decl @L [template = constants.%.5] {} {}
    100. 

  100. // CHECK:STDOUT:   impl_decl @impl.1 [template] {
    101. 

  101. // CHECK:STDOUT:     %T.patt: %.2 = symbolic_binding_pattern T, 0
    102. 

  102. // CHECK:STDOUT:   } {
    103. 

  103. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [template = constants.%.2]
    104. 

  104. // CHECK:STDOUT:     %T.param: %.2 = param T, runtime_param<invalid>
    105. 

  105. // CHECK:STDOUT:     %T.loc11: %.2 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.1)]
    106. 

  106. // CHECK:STDOUT:     %T.ref: %.2 = name_ref T, %T.loc11 [symbolic = %T.1 (constants.%T.1)]
    107. 

  107. // CHECK:STDOUT:     %.loc11_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.1)]
    108. 

  108. // CHECK:STDOUT:     %.loc11_21.2: type = converted %T.ref, %.loc11_21.1 [symbolic = %T.1 (constants.%T.1)]
    109. 

  109. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    110. 

  110. // CHECK:STDOUT:   }
    111. 

  111. // CHECK:STDOUT:   impl_decl @impl.2 [template] {
    112. 

  112. // CHECK:STDOUT:     %T.patt: %.3 = symbolic_binding_pattern T, 0
    113. 

  113. // CHECK:STDOUT:   } {
    114. 

  114. // CHECK:STDOUT:     %J.ref: type = name_ref J, file.%J.decl [template = constants.%.3]
    115. 

  115. // CHECK:STDOUT:     %T.param: %.3 = param T, runtime_param<invalid>
    116. 

  116. // CHECK:STDOUT:     %T.loc12: %.3 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.2)]
    117. 

  117. // CHECK:STDOUT:     %T.ref: %.3 = name_ref T, %T.loc12 [symbolic = %T.1 (constants.%T.2)]
    118. 

  118. // CHECK:STDOUT:     %.loc12_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.2)]
    119. 

  119. // CHECK:STDOUT:     %.loc12_21.2: type = converted %T.ref, %.loc12_21.1 [symbolic = %T.1 (constants.%T.2)]
    120. 

  120. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    121. 

  121. // CHECK:STDOUT:   }
    122. 

  122. // CHECK:STDOUT:   impl_decl @impl.3 [template] {
    123. 

  123. // CHECK:STDOUT:     %T.patt: %.4 = symbolic_binding_pattern T, 0
    124. 

  124. // CHECK:STDOUT:   } {
    125. 

  125. // CHECK:STDOUT:     %K.ref: type = name_ref K, file.%K.decl [template = constants.%.4]
    126. 

  126. // CHECK:STDOUT:     %T.param: %.4 = param T, runtime_param<invalid>
    127. 

  127. // CHECK:STDOUT:     %T.loc13: %.4 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.3)]
    128. 

  128. // CHECK:STDOUT:     %T.ref: %.4 = name_ref T, %T.loc13 [symbolic = %T.1 (constants.%T.3)]
    129. 

  129. // CHECK:STDOUT:     %.loc13_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.3)]
    130. 

  130. // CHECK:STDOUT:     %.loc13_21.2: type = converted %T.ref, %.loc13_21.1 [symbolic = %T.1 (constants.%T.3)]
    131. 

  131. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    132. 

  132. // CHECK:STDOUT:   }
    133. 

  133. // CHECK:STDOUT:   impl_decl @impl.4 [template] {
    134. 

  134. // CHECK:STDOUT:     %T.patt: %.5 = symbolic_binding_pattern T, 0
    135. 

  135. // CHECK:STDOUT:   } {
    136. 

  136. // CHECK:STDOUT:     %L.ref: type = name_ref L, file.%L.decl [template = constants.%.5]
    137. 

  137. // CHECK:STDOUT:     %T.param: %.5 = param T, runtime_param<invalid>
    138. 

  138. // CHECK:STDOUT:     %T.loc14: %.5 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.4)]
    139. 

  139. // CHECK:STDOUT:     %T.ref: %.5 = name_ref T, %T.loc14 [symbolic = %T.1 (constants.%T.4)]
    140. 

  140. // CHECK:STDOUT:     %.loc14_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.4)]
    141. 

  141. // CHECK:STDOUT:     %.loc14_21.2: type = converted %T.ref, %.loc14_21.1 [symbolic = %T.1 (constants.%T.4)]
    142. 

  142. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    143. 

  143. // CHECK:STDOUT:   }
    144. 

  144. // CHECK:STDOUT:   impl_decl @impl.5 [template] {
    145. 

  145. // CHECK:STDOUT:     %T.patt: %.2 = symbolic_binding_pattern T, 0
    146. 

  146. // CHECK:STDOUT:   } {
    147. 

  147. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [template = constants.%.2]
    148. 

  148. // CHECK:STDOUT:     %T.param: %.2 = param T, runtime_param<invalid>
    149. 

  149. // CHECK:STDOUT:     %T.loc18: %.2 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.1)]
    150. 

  150. // CHECK:STDOUT:     %T.ref: %.2 = name_ref T, %T.loc18 [symbolic = %T.1 (constants.%T.1)]
    151. 

  151. // CHECK:STDOUT:     %.loc18_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.1)]
    152. 

  152. // CHECK:STDOUT:     %.loc18_21.2: type = converted %T.ref, %.loc18_21.1 [symbolic = %T.1 (constants.%T.1)]
    153. 

  153. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    154. 

  154. // CHECK:STDOUT:   }
    155. 

  155. // CHECK:STDOUT:   impl_decl @impl.6 [template] {
    156. 

  156. // CHECK:STDOUT:     %T.patt: %.3 = symbolic_binding_pattern T, 0
    157. 

  157. // CHECK:STDOUT:   } {
    158. 

  158. // CHECK:STDOUT:     %J.ref: type = name_ref J, file.%J.decl [template = constants.%.3]
    159. 

  159. // CHECK:STDOUT:     %T.param: %.3 = param T, runtime_param<invalid>
    160. 

  160. // CHECK:STDOUT:     %T.loc19: %.3 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.2)]
    161. 

  161. // CHECK:STDOUT:     %T.ref: %.3 = name_ref T, %T.loc19 [symbolic = %T.1 (constants.%T.2)]
    162. 

  162. // CHECK:STDOUT:     %.loc19_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.2)]
    163. 

  163. // CHECK:STDOUT:     %.loc19_21.2: type = converted %T.ref, %.loc19_21.1 [symbolic = %T.1 (constants.%T.2)]
    164. 

  164. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    165. 

  165. // CHECK:STDOUT:   }
    166. 

  166. // CHECK:STDOUT:   impl_decl @impl.7 [template] {
    167. 

  167. // CHECK:STDOUT:     %T.patt: %.4 = symbolic_binding_pattern T, 0
    168. 

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

  169. // CHECK:STDOUT:     %K.ref: type = name_ref K, file.%K.decl [template = constants.%.4]
    170. 

  170. // CHECK:STDOUT:     %T.param: %.4 = param T, runtime_param<invalid>
    171. 

  171. // CHECK:STDOUT:     %T.loc20: %.4 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.3)]
    172. 

  172. // CHECK:STDOUT:     %T.ref: %.4 = name_ref T, %T.loc20 [symbolic = %T.1 (constants.%T.3)]
    173. 

  173. // CHECK:STDOUT:     %.loc20_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.3)]
    174. 

  174. // CHECK:STDOUT:     %.loc20_21.2: type = converted %T.ref, %.loc20_21.1 [symbolic = %T.1 (constants.%T.3)]
    175. 

  175. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    176. 

  176. // CHECK:STDOUT:   }
    177. 

  177. // CHECK:STDOUT:   impl_decl @impl.8 [template] {
    178. 

  178. // CHECK:STDOUT:     %T.patt: %.5 = symbolic_binding_pattern T, 0
    179. 

  179. // CHECK:STDOUT:   } {
    180. 

  180. // CHECK:STDOUT:     %L.ref: type = name_ref L, file.%L.decl [template = constants.%.5]
    181. 

  181. // CHECK:STDOUT:     %T.param: %.5 = param T, runtime_param<invalid>
    182. 

  182. // CHECK:STDOUT:     %T.loc21: %.5 = bind_symbolic_name T, 0, %T.param [symbolic = %T.1 (constants.%T.4)]
    183. 

  183. // CHECK:STDOUT:     %T.ref: %.5 = name_ref T, %T.loc21 [symbolic = %T.1 (constants.%T.4)]
    184. 

  184. // CHECK:STDOUT:     %.loc21_21.1: type = facet_type_access %T.ref [symbolic = %T.1 (constants.%T.4)]
    185. 

  185. // CHECK:STDOUT:     %.loc21_21.2: type = converted %T.ref, %.loc21_21.1 [symbolic = %T.1 (constants.%T.4)]
    186. 

  186. // CHECK:STDOUT:     %Interface.ref: type = name_ref Interface, file.%Interface.decl [template = constants.%.1]
    187. 

  187. // CHECK:STDOUT:   }
    188. 

  188. // CHECK:STDOUT: }
    189. 

  189. // CHECK:STDOUT:
    190. 

  190. // CHECK:STDOUT: interface @Interface {
    191. 

  191. // CHECK:STDOUT:   %Self: %.1 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.1]
    192. 

  192. // CHECK:STDOUT:
    193. 

  193. // CHECK:STDOUT: !members:
    194. 

  194. // CHECK:STDOUT:   .Self = %Self
    195. 

  195. // CHECK:STDOUT:   witness = ()
    196. 

  196. // CHECK:STDOUT: }
    197. 

  197. // CHECK:STDOUT:
    198. 

  198. // CHECK:STDOUT: interface @I {
    199. 

  199. // CHECK:STDOUT:   %Self: %.2 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.2]
    200. 

  200. // CHECK:STDOUT:
    201. 

  201. // CHECK:STDOUT: !members:
    202. 

  202. // CHECK:STDOUT:   .Self = %Self
    203. 

  203. // CHECK:STDOUT:   witness = ()
    204. 

  204. // CHECK:STDOUT: }
    205. 

  205. // CHECK:STDOUT:
    206. 

  206. // CHECK:STDOUT: interface @J {
    207. 

  207. // CHECK:STDOUT:   %Self: %.3 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.3]
    208. 

  208. // CHECK:STDOUT:
    209. 

  209. // CHECK:STDOUT: !members:
    210. 

  210. // CHECK:STDOUT:   .Self = %Self
    211. 

  211. // CHECK:STDOUT:   witness = ()
    212. 

  212. // CHECK:STDOUT: }
    213. 

  213. // CHECK:STDOUT:
    214. 

  214. // CHECK:STDOUT: interface @K {
    215. 

  215. // CHECK:STDOUT:   %Self: %.4 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.4]
    216. 

  216. // CHECK:STDOUT:
    217. 

  217. // CHECK:STDOUT: !members:
    218. 

  218. // CHECK:STDOUT:   .Self = %Self
    219. 

  219. // CHECK:STDOUT:   witness = ()
    220. 

  220. // CHECK:STDOUT: }
    221. 

  221. // CHECK:STDOUT:
    222. 

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

  223. // CHECK:STDOUT:   %Self: %.5 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.5]
    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: generic impl @impl.1(%T.loc11: %.2) {
    231. 

  231. // CHECK:STDOUT:   %T.1: %.2 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.1)]
    232. 

  232. // CHECK:STDOUT:
    233. 

  233. // CHECK:STDOUT:   impl: %.loc11_21.2 as %Interface.ref;
    234. 

  234. // CHECK:STDOUT: }
    235. 

  235. // CHECK:STDOUT:
    236. 

  236. // CHECK:STDOUT: generic impl @impl.2(%T.loc12: %.3) {
    237. 

  237. // CHECK:STDOUT:   %T.1: %.3 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.2)]
    238. 

  238. // CHECK:STDOUT:
    239. 

  239. // CHECK:STDOUT:   impl: %.loc12_21.2 as %Interface.ref;
    240. 

  240. // CHECK:STDOUT: }
    241. 

  241. // CHECK:STDOUT:
    242. 

  242. // CHECK:STDOUT: generic impl @impl.3(%T.loc13: %.4) {
    243. 

  243. // CHECK:STDOUT:   %T.1: %.4 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.3)]
    244. 

  244. // CHECK:STDOUT:
    245. 

  245. // CHECK:STDOUT:   impl: %.loc13_21.2 as %Interface.ref;
    246. 

  246. // CHECK:STDOUT: }
    247. 

  247. // CHECK:STDOUT:
    248. 

  248. // CHECK:STDOUT: generic impl @impl.4(%T.loc14: %.5) {
    249. 

  249. // CHECK:STDOUT:   %T.1: %.5 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.4)]
    250. 

  250. // CHECK:STDOUT:
    251. 

  251. // CHECK:STDOUT:   impl: %.loc14_21.2 as %Interface.ref;
    252. 

  252. // CHECK:STDOUT: }
    253. 

  253. // CHECK:STDOUT:
    254. 

  254. // CHECK:STDOUT: generic impl @impl.5(%T.loc18: %.2) {
    255. 

  255. // CHECK:STDOUT:   %T.1: %.2 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.1)]
    256. 

  256. // CHECK:STDOUT:
    257. 

  257. // CHECK:STDOUT:   impl: %.loc18_21.2 as %Interface.ref {
    258. 

  258. // CHECK:STDOUT:     %.loc18_36: <witness> = interface_witness () [template = constants.%.7]
    259. 

  259. // CHECK:STDOUT:
    260. 

  260. // CHECK:STDOUT:   !members:
    261. 

  261. // CHECK:STDOUT:     witness = %.loc18_36
    262. 

  262. // CHECK:STDOUT:   }
    263. 

  263. // CHECK:STDOUT: }
    264. 

  264. // CHECK:STDOUT:
    265. 

  265. // CHECK:STDOUT: generic impl @impl.6(%T.loc19: %.3) {
    266. 

  266. // CHECK:STDOUT:   %T.1: %.3 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.2)]
    267. 

  267. // CHECK:STDOUT:
    268. 

  268. // CHECK:STDOUT:   impl: %.loc19_21.2 as %Interface.ref {
    269. 

  269. // CHECK:STDOUT:     %.loc19_36: <witness> = interface_witness () [template = constants.%.7]
    270. 

  270. // CHECK:STDOUT:
    271. 

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

  272. // CHECK:STDOUT:     witness = %.loc19_36
    273. 

  273. // CHECK:STDOUT:   }
    274. 

  274. // CHECK:STDOUT: }
    275. 

  275. // CHECK:STDOUT:
    276. 

  276. // CHECK:STDOUT: generic impl @impl.7(%T.loc20: %.4) {
    277. 

  277. // CHECK:STDOUT:   %T.1: %.4 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.3)]
    278. 

  278. // CHECK:STDOUT:
    279. 

  279. // CHECK:STDOUT:   impl: %.loc20_21.2 as %Interface.ref {
    280. 

  280. // CHECK:STDOUT:     %.loc20_36: <witness> = interface_witness () [template = constants.%.7]
    281. 

  281. // CHECK:STDOUT:
    282. 

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

  283. // CHECK:STDOUT:     witness = %.loc20_36
    284. 

  284. // CHECK:STDOUT:   }
    285. 

  285. // CHECK:STDOUT: }
    286. 

  286. // CHECK:STDOUT:
    287. 

  287. // CHECK:STDOUT: generic impl @impl.8(%T.loc21: %.5) {
    288. 

  288. // CHECK:STDOUT:   %T.1: %.5 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T.4)]
    289. 

  289. // CHECK:STDOUT:
    290. 

  290. // CHECK:STDOUT:   impl: %.loc21_21.2 as %Interface.ref {
    291. 

  291. // CHECK:STDOUT:     %.loc21_36: <witness> = interface_witness () [template = constants.%.7]
    292. 

  292. // CHECK:STDOUT:
    293. 

  293. // CHECK:STDOUT:   !members:
    294. 

  294. // CHECK:STDOUT:     witness = %.loc21_36
    295. 

  295. // CHECK:STDOUT:   }
    296. 

  296. // CHECK:STDOUT: }
    297. 

  297. // CHECK:STDOUT:
    298. 

  298. // CHECK:STDOUT: specific @impl.1(constants.%T.1) {
    299. 

  299. // CHECK:STDOUT:   %T.1 => constants.%T.1
    300. 

  300. // CHECK:STDOUT: }
    301. 

  301. // CHECK:STDOUT:
    302. 

  302. // CHECK:STDOUT: specific @impl.2(constants.%T.2) {
    303. 

  303. // CHECK:STDOUT:   %T.1 => constants.%T.2
    304. 

  304. // CHECK:STDOUT: }
    305. 

  305. // CHECK:STDOUT:
    306. 

  306. // CHECK:STDOUT: specific @impl.3(constants.%T.3) {
    307. 

  307. // CHECK:STDOUT:   %T.1 => constants.%T.3
    308. 

  308. // CHECK:STDOUT: }
    309. 

  309. // CHECK:STDOUT:
    310. 

  310. // CHECK:STDOUT: specific @impl.4(constants.%T.4) {
    311. 

  311. // CHECK:STDOUT:   %T.1 => constants.%T.4
    312. 

  312. // CHECK:STDOUT: }
    313. 

  313. // CHECK:STDOUT:
    314. 

  314. // CHECK:STDOUT: specific @impl.5(constants.%T.1) {
    315. 

  315. // CHECK:STDOUT:   %T.1 => constants.%T.1
    316. 

  316. // CHECK:STDOUT: }
    317. 

  317. // CHECK:STDOUT:
    318. 

  318. // CHECK:STDOUT: specific @impl.6(constants.%T.2) {
    319. 

  319. // CHECK:STDOUT:   %T.1 => constants.%T.2
    320. 

  320. // CHECK:STDOUT: }
    321. 

  321. // CHECK:STDOUT:
    322. 

  322. // CHECK:STDOUT: specific @impl.7(constants.%T.3) {
    323. 

  323. // CHECK:STDOUT:   %T.1 => constants.%T.3
    324. 

  324. // CHECK:STDOUT: }
    325. 

  325. // CHECK:STDOUT:
    326. 

  326. // CHECK:STDOUT: specific @impl.8(constants.%T.4) {
    327. 

  327. // CHECK:STDOUT:   %T.1 => constants.%T.4
    328. 

  328. // CHECK:STDOUT: }
    329. 

  329. // CHECK:STDOUT:
    330. 

  330. // CHECK:STDOUT: --- fail_same_self_and_interface_redefined.carbon
    331. 

  331. // CHECK:STDOUT:
    332. 

  332. // CHECK:STDOUT: constants {
    333. 

  333. // CHECK:STDOUT:   %.1: type = interface_type @I [template]
    334. 

  334. // CHECK:STDOUT:   %Self.1: %.1 = bind_symbolic_name Self, 0 [symbolic]
    335. 

  335. // CHECK:STDOUT:   %.2: type = interface_type @J [template]
    336. 

  336. // CHECK:STDOUT:   %Self.2: %.2 = bind_symbolic_name Self, 0 [symbolic]
    337. 

  337. // CHECK:STDOUT:   %T: %.1 = bind_symbolic_name T, 0 [symbolic]
    338. 

  338. // CHECK:STDOUT:   %.3: type = tuple_type () [template]
    339. 

  339. // CHECK:STDOUT:   %.4: <witness> = interface_witness () [template]
    340. 

  340. // CHECK:STDOUT: }
    341. 

  341. // CHECK:STDOUT:
    342. 

  342. // CHECK:STDOUT: file {
    343. 

  343. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    344. 

  344. // CHECK:STDOUT:     .I = %I.decl
    345. 

  345. // CHECK:STDOUT:     .J = %J.decl
    346. 

  346. // CHECK:STDOUT:   }
    347. 

  347. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [template = constants.%.1] {} {}
    348. 

  348. // CHECK:STDOUT:   %J.decl: type = interface_decl @J [template = constants.%.2] {} {}
    349. 

  349. // CHECK:STDOUT:   impl_decl @impl [template] {
    350. 

  350. // CHECK:STDOUT:     %T.patt: %.1 = symbolic_binding_pattern T, 0
    351. 

  351. // CHECK:STDOUT:   } {
    352. 

  352. // CHECK:STDOUT:     %I.ref.loc7: type = name_ref I, file.%I.decl [template = constants.%.1]
    353. 

  353. // CHECK:STDOUT:     %T.param.loc7: %.1 = param T, runtime_param<invalid>
    354. 

  354. // CHECK:STDOUT:     %T.loc7: %.1 = bind_symbolic_name T, 0, %T.param.loc7 [symbolic = %T.1 (constants.%T)]
    355. 

  355. // CHECK:STDOUT:     %T.ref.loc7: %.1 = name_ref T, %T.loc7 [symbolic = %T.1 (constants.%T)]
    356. 

  356. // CHECK:STDOUT:     %.loc7_21.1: type = facet_type_access %T.ref.loc7 [symbolic = %T.1 (constants.%T)]
    357. 

  357. // CHECK:STDOUT:     %.loc7_21.2: type = converted %T.ref.loc7, %.loc7_21.1 [symbolic = %T.1 (constants.%T)]
    358. 

  358. // CHECK:STDOUT:     %J.ref.loc7: type = name_ref J, file.%J.decl [template = constants.%.2]
    359. 

  359. // CHECK:STDOUT:   }
    360. 

  360. // CHECK:STDOUT:   impl_decl @impl [template] {
    361. 

  361. // CHECK:STDOUT:     %T.patt: %.1 = symbolic_binding_pattern T, 0
    362. 

  362. // CHECK:STDOUT:   } {
    363. 

  363. // CHECK:STDOUT:     %I.ref.loc14: type = name_ref I, file.%I.decl [template = constants.%.1]
    364. 

  364. // CHECK:STDOUT:     %T.param.loc14: %.1 = param T, runtime_param<invalid>
    365. 

  365. // CHECK:STDOUT:     %T.loc14: %.1 = bind_symbolic_name T, 0, %T.param.loc14 [symbolic = constants.%T]
    366. 

  366. // CHECK:STDOUT:     %T.ref.loc14: %.1 = name_ref T, %T.loc14 [symbolic = constants.%T]
    367. 

  367. // CHECK:STDOUT:     %.loc14_21.1: type = facet_type_access %T.ref.loc14 [symbolic = constants.%T]
    368. 

  368. // CHECK:STDOUT:     %.loc14_21.2: type = converted %T.ref.loc14, %.loc14_21.1 [symbolic = constants.%T]
    369. 

  369. // CHECK:STDOUT:     %J.ref.loc14: type = name_ref J, file.%J.decl [template = constants.%.2]
    370. 

  370. // CHECK:STDOUT:   }
    371. 

  371. // CHECK:STDOUT: }
    372. 

  372. // CHECK:STDOUT:
    373. 

  373. // CHECK:STDOUT: interface @I {
    374. 

  374. // CHECK:STDOUT:   %Self: %.1 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.1]
    375. 

  375. // CHECK:STDOUT:
    376. 

  376. // CHECK:STDOUT: !members:
    377. 

  377. // CHECK:STDOUT:   .Self = %Self
    378. 

  378. // CHECK:STDOUT:   witness = ()
    379. 

  379. // CHECK:STDOUT: }
    380. 

  380. // CHECK:STDOUT:
    381. 

  381. // CHECK:STDOUT: interface @J {
    382. 

  382. // CHECK:STDOUT:   %Self: %.2 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.2]
    383. 

  383. // CHECK:STDOUT:
    384. 

  384. // CHECK:STDOUT: !members:
    385. 

  385. // CHECK:STDOUT:   .Self = %Self
    386. 

  386. // CHECK:STDOUT:   witness = ()
    387. 

  387. // CHECK:STDOUT: }
    388. 

  388. // CHECK:STDOUT:
    389. 

  389. // CHECK:STDOUT: generic impl @impl(%T.loc7: %.1) {
    390. 

  390. // CHECK:STDOUT:   %T.1: %.1 = bind_symbolic_name T, 0 [symbolic = %T.1 (constants.%T)]
    391. 

  391. // CHECK:STDOUT:
    392. 

  392. // CHECK:STDOUT:   impl: %.loc7_21.2 as %J.ref.loc7 {
    393. 

  393. // CHECK:STDOUT:   !members:
    394. 

  394. // CHECK:STDOUT:     witness = <unexpected>.inst+21.loc7_28
    395. 

  395. // CHECK:STDOUT:   }
    396. 

  396. // CHECK:STDOUT: }
    397. 

  397. // CHECK:STDOUT:
    398. 

  398. // CHECK:STDOUT: specific @impl(constants.%T) {
    399. 

  399. // CHECK:STDOUT:   %T.1 => constants.%T
    400. 

  400. // CHECK:STDOUT: }
    401. 

  401. // CHECK:STDOUT:
    402. 

  402. // CHECK:STDOUT: --- same_type_different_spelling.carbon
    403. 

  403. // CHECK:STDOUT:
    404. 

  404. // CHECK:STDOUT: constants {
    405. 

  405. // CHECK:STDOUT:   %C: type = class_type @C [template]
    406. 

  406. // CHECK:STDOUT:   %.1: type = interface_type @I [template]
    407. 

  407. // CHECK:STDOUT:   %Self: %.1 = bind_symbolic_name Self, 0 [symbolic]
    408. 

  408. // CHECK:STDOUT:   %.2: type = tuple_type () [template]
    409. 

  409. // CHECK:STDOUT:   %.3: <witness> = interface_witness () [template]
    410. 

  410. // CHECK:STDOUT:   %.4: type = tuple_type (type, type) [template]
    411. 

  411. // CHECK:STDOUT:   %.5: i32 = int_literal 0 [template]
    412. 

  412. // CHECK:STDOUT:   %.6: type = ptr_type %.4 [template]
    413. 

  413. // CHECK:STDOUT:   %tuple: %.4 = tuple_value (%C, %C) [template]
    414. 

  414. // CHECK:STDOUT: }
    415. 

  415. // CHECK:STDOUT:
    416. 

  416. // CHECK:STDOUT: file {
    417. 

  417. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    418. 

  418. // CHECK:STDOUT:     .C = %C.decl
    419. 

  419. // CHECK:STDOUT:     .I = %I.decl
    420. 

  420. // CHECK:STDOUT:   }
    421. 

  421. // CHECK:STDOUT:   %C.decl: type = class_decl @C [template = constants.%C] {} {}
    422. 

  422. // CHECK:STDOUT:   %I.decl: type = interface_decl @I [template = constants.%.1] {} {}
    423. 

  423. // CHECK:STDOUT:   impl_decl @impl.1 [template] {} {
    424. 

  424. // CHECK:STDOUT:     %C.ref: type = name_ref C, file.%C.decl [template = constants.%C]
    425. 

  425. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [template = constants.%.1]
    426. 

  426. // CHECK:STDOUT:   }
    427. 

  427. // CHECK:STDOUT:   impl_decl @impl.2 [template] {} {
    428. 

  428. // CHECK:STDOUT:     %C.ref.loc14_7: type = name_ref C, file.%C.decl [template = constants.%C]
    429. 

  429. // CHECK:STDOUT:     %C.ref.loc14_10: type = name_ref C, file.%C.decl [template = constants.%C]
    430. 

  430. // CHECK:STDOUT:     %.loc14_11.1: %.4 = tuple_literal (%C.ref.loc14_7, %C.ref.loc14_10)
    431. 

  431. // CHECK:STDOUT:     %.loc14_13: i32 = int_literal 0 [template = constants.%.5]
    432. 

  432. // CHECK:STDOUT:     %tuple: %.4 = tuple_value (%C.ref.loc14_7, %C.ref.loc14_10) [template = constants.%tuple]
    433. 

  433. // CHECK:STDOUT:     %.loc14_11.2: %.4 = converted %.loc14_11.1, %tuple [template = constants.%tuple]
    434. 

  434. // CHECK:STDOUT:     %.loc14_12: type = tuple_access %.loc14_11.2, element0 [template = constants.%C]
    435. 

  435. // CHECK:STDOUT:     %I.ref: type = name_ref I, file.%I.decl [template = constants.%.1]
    436. 

  436. // CHECK:STDOUT:   }
    437. 

  437. // CHECK:STDOUT: }
    438. 

  438. // CHECK:STDOUT:
    439. 

  439. // CHECK:STDOUT: interface @I {
    440. 

  440. // CHECK:STDOUT:   %Self: %.1 = bind_symbolic_name Self, 0 [symbolic = constants.%Self]
    441. 

  441. // CHECK:STDOUT:
    442. 

  442. // CHECK:STDOUT: !members:
    443. 

  443. // CHECK:STDOUT:   .Self = %Self
    444. 

  444. // CHECK:STDOUT:   witness = ()
    445. 

  445. // CHECK:STDOUT: }
    446. 

  446. // CHECK:STDOUT:
    447. 

  447. // CHECK:STDOUT: impl @impl.1: %C.ref as %I.ref {
    448. 

  448. // CHECK:STDOUT:   %.loc13: <witness> = interface_witness () [template = constants.%.3]
    449. 

  449. // CHECK:STDOUT:
    450. 

  450. // CHECK:STDOUT: !members:
    451. 

  451. // CHECK:STDOUT:   witness = %.loc13
    452. 

  452. // CHECK:STDOUT: }
    453. 

  453. // CHECK:STDOUT:
    454. 

  454. // CHECK:STDOUT: impl @impl.2: %.loc14_12 as %I.ref {
    455. 

  455. // CHECK:STDOUT:   %.loc14_20: <witness> = interface_witness () [template = constants.%.3]
    456. 

  456. // CHECK:STDOUT:
    457. 

  457. // CHECK:STDOUT: !members:
    458. 

  458. // CHECK:STDOUT:   witness = %.loc14_20
    459. 

  459. // CHECK:STDOUT: }
    460. 

  460. // CHECK:STDOUT:
    461. 

  461. // CHECK:STDOUT: class @C;
    462. 

  462. // CHECK:STDOUT:
    463.