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fail_decl_param_mismatch.carbon

fail_decl_param_mismatch.carbon 14 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/none.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/function/definition/fail_decl_param_mismatch.carbon
    12. 

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

  13. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/definition/fail_decl_param_mismatch.carbon
    14. 

  14. 

  15. fn F();
    16. 

  16. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: redeclaration differs because of parameter count of 1 [RedeclParamCountDiffers]
    17. 

  17. // CHECK:STDERR: fn F(x: ()) {}
    18. 

  18. // CHECK:STDERR: ^~~~~~~~~~~~~
    19. 

  19. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with parameter count of 0 [RedeclParamCountPrevious]
    20. 

  20. // CHECK:STDERR: fn F();
    21. 

  21. // CHECK:STDERR: ^~~~~~~
    22. 

  22. // CHECK:STDERR:
    23. 

  23. fn F(x: ()) {}
    24. 

  24. 

  25. fn G(x: ());
    26. 

  26. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: redeclaration differs because of parameter count of 0 [RedeclParamCountDiffers]
    27. 

  27. // CHECK:STDERR: fn G() {}
    28. 

  28. // CHECK:STDERR: ^~~~~~~~
    29. 

  29. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with parameter count of 1 [RedeclParamCountPrevious]
    30. 

  30. // CHECK:STDERR: fn G(x: ());
    31. 

  31. // CHECK:STDERR: ^~~~~~~~~~~~
    32. 

  32. // CHECK:STDERR:
    33. 

  33. fn G() {}
    34. 

  34. 

  35. fn H(x: ());
    36. 

  36. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+4]]:9: error: `Core.Bool` implicitly referenced here, but package `Core` not found [CoreNotFound]
    37. 

  37. // CHECK:STDERR: fn H(x: bool) {}
    38. 

  38. // CHECK:STDERR:         ^~~~
    39. 

  39. // CHECK:STDERR:
    40. 

  40. fn H(x: bool) {}
    41. 

  41. 

  42. fn I();
    43. 

  43. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: function redeclaration differs because return type is `()` [FunctionRedeclReturnTypeDiffers]
    44. 

  44. // CHECK:STDERR: fn I() -> () { return (); }
    45. 

  45. // CHECK:STDERR: ^~~~~~~~~~~~~~
    46. 

  46. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with no return type [FunctionRedeclReturnTypePreviousNoReturn]
    47. 

  47. // CHECK:STDERR: fn I();
    48. 

  48. // CHECK:STDERR: ^~~~~~~
    49. 

  49. // CHECK:STDERR:
    50. 

  50. fn I() -> () { return (); }
    51. 

  51. 

  52. fn J() -> ();
    53. 

  53. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: function redeclaration differs because no return type is provided [FunctionRedeclReturnTypeDiffersNoReturn]
    54. 

  54. // CHECK:STDERR: fn J() {}
    55. 

  55. // CHECK:STDERR: ^~~~~~~~
    56. 

  56. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with return type `()` [FunctionRedeclReturnTypePrevious]
    57. 

  57. // CHECK:STDERR: fn J() -> ();
    58. 

  58. // CHECK:STDERR: ^~~~~~~~~~~~~
    59. 

  59. // CHECK:STDERR:
    60. 

  60. fn J() {}
    61. 

  61. 

  62. fn K() -> ();
    63. 

  63. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE+7]]:1: error: function redeclaration differs because return type is `{}` [FunctionRedeclReturnTypeDiffers]
    64. 

  64. // CHECK:STDERR: fn K() -> {} { return {}; }
    65. 

  65. // CHECK:STDERR: ^~~~~~~~~~~~~~
    66. 

  66. // CHECK:STDERR: fail_decl_param_mismatch.carbon:[[@LINE-4]]:1: note: previously declared with return type `()` [FunctionRedeclReturnTypePrevious]
    67. 

  67. // CHECK:STDERR: fn K() -> ();
    68. 

  68. // CHECK:STDERR: ^~~~~~~~~~~~~
    69. 

  69. // CHECK:STDERR:
    70. 

  70. fn K() -> {} { return {}; }
    71. 

  71. 

  72. // CHECK:STDOUT: --- fail_decl_param_mismatch.carbon
    73. 

  73. // CHECK:STDOUT:
    74. 

  74. // CHECK:STDOUT: constants {
    75. 

  75. // CHECK:STDOUT:   %F.type.b25846.1: type = fn_type @F.loc15 [concrete]
    76. 

  76. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    77. 

  77. // CHECK:STDOUT:   %F.c41931.1: %F.type.b25846.1 = struct_value () [concrete]
    78. 

  78. // CHECK:STDOUT:   %pattern_type.cb1: type = pattern_type %empty_tuple.type [concrete]
    79. 

  79. // CHECK:STDOUT:   %F.type.b25846.2: type = fn_type @F.loc23 [concrete]
    80. 

  80. // CHECK:STDOUT:   %F.c41931.2: %F.type.b25846.2 = struct_value () [concrete]
    81. 

  81. // CHECK:STDOUT:   %G.type.9f9306.1: type = fn_type @G.loc25 [concrete]
    82. 

  82. // CHECK:STDOUT:   %G.57b67a.1: %G.type.9f9306.1 = struct_value () [concrete]
    83. 

  83. // CHECK:STDOUT:   %G.type.9f9306.2: type = fn_type @G.loc33 [concrete]
    84. 

  84. // CHECK:STDOUT:   %G.57b67a.2: %G.type.9f9306.2 = struct_value () [concrete]
    85. 

  85. // CHECK:STDOUT:   %H.type.6826c6.1: type = fn_type @H.loc35 [concrete]
    86. 

  86. // CHECK:STDOUT:   %H.8a6545.1: %H.type.6826c6.1 = struct_value () [concrete]
    87. 

  87. // CHECK:STDOUT:   %H.type.6826c6.2: type = fn_type @H.loc40 [concrete]
    88. 

  88. // CHECK:STDOUT:   %H.8a6545.2: %H.type.6826c6.2 = struct_value () [concrete]
    89. 

  89. // CHECK:STDOUT:   %I.type.af49c4.1: type = fn_type @I.loc42 [concrete]
    90. 

  90. // CHECK:STDOUT:   %I.58e4ec.1: %I.type.af49c4.1 = struct_value () [concrete]
    91. 

  91. // CHECK:STDOUT:   %I.type.af49c4.2: type = fn_type @I.loc50 [concrete]
    92. 

  92. // CHECK:STDOUT:   %I.58e4ec.2: %I.type.af49c4.2 = struct_value () [concrete]
    93. 

  93. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
    94. 

  94. // CHECK:STDOUT:   %J.type.8e2c84.1: type = fn_type @J.loc52 [concrete]
    95. 

  95. // CHECK:STDOUT:   %J.3662e8.1: %J.type.8e2c84.1 = struct_value () [concrete]
    96. 

  96. // CHECK:STDOUT:   %J.type.8e2c84.2: type = fn_type @J.loc60 [concrete]
    97. 

  97. // CHECK:STDOUT:   %J.3662e8.2: %J.type.8e2c84.2 = struct_value () [concrete]
    98. 

  98. // CHECK:STDOUT:   %K.type.6cc1c5.1: type = fn_type @K.loc62 [concrete]
    99. 

  99. // CHECK:STDOUT:   %K.460d95.1: %K.type.6cc1c5.1 = struct_value () [concrete]
    100. 

  100. // CHECK:STDOUT:   %empty_struct_type: type = struct_type {} [concrete]
    101. 

  101. // CHECK:STDOUT:   %pattern_type.a96: type = pattern_type %empty_struct_type [concrete]
    102. 

  102. // CHECK:STDOUT:   %K.type.6cc1c5.2: type = fn_type @K.loc70 [concrete]
    103. 

  103. // CHECK:STDOUT:   %K.460d95.2: %K.type.6cc1c5.2 = struct_value () [concrete]
    104. 

  104. // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete]
    105. 

  105. // CHECK:STDOUT: }
    106. 

  106. // CHECK:STDOUT:
    107. 

  107. // CHECK:STDOUT: file {
    108. 

  108. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    109. 

  109. // CHECK:STDOUT:     .F = %F.decl.loc15
    110. 

  110. // CHECK:STDOUT:     .G = %G.decl.loc25
    111. 

  111. // CHECK:STDOUT:     .H = %H.decl.loc35
    112. 

  112. // CHECK:STDOUT:     .I = %I.decl.loc42
    113. 

  113. // CHECK:STDOUT:     .J = %J.decl.loc52
    114. 

  114. // CHECK:STDOUT:     .K = %K.decl.loc62
    115. 

  115. // CHECK:STDOUT:   }
    116. 

  116. // CHECK:STDOUT:   %F.decl.loc15: %F.type.b25846.1 = fn_decl @F.loc15 [concrete = constants.%F.c41931.1] {} {}
    117. 

  117. // CHECK:STDOUT:   %F.decl.loc23: %F.type.b25846.2 = fn_decl @F.loc23 [concrete = constants.%F.c41931.2] {
    118. 

  118. // CHECK:STDOUT:     %x.patt: %pattern_type.cb1 = binding_pattern x [concrete]
    119. 

  119. // CHECK:STDOUT:     %x.param_patt: %pattern_type.cb1 = value_param_pattern %x.patt, call_param0 [concrete]
    120. 

  120. // CHECK:STDOUT:   } {
    121. 

  121. // CHECK:STDOUT:     %x.param: %empty_tuple.type = value_param call_param0
    122. 

  122. // CHECK:STDOUT:     %.loc23_10.1: type = splice_block %.loc23_10.3 [concrete = constants.%empty_tuple.type] {
    123. 

  123. // CHECK:STDOUT:       %.loc23_10.2: %empty_tuple.type = tuple_literal ()
    124. 

  124. // CHECK:STDOUT:       %.loc23_10.3: type = converted %.loc23_10.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    125. 

  125. // CHECK:STDOUT:     }
    126. 

  126. // CHECK:STDOUT:     %x: %empty_tuple.type = bind_name x, %x.param
    127. 

  127. // CHECK:STDOUT:   }
    128. 

  128. // CHECK:STDOUT:   %G.decl.loc25: %G.type.9f9306.1 = fn_decl @G.loc25 [concrete = constants.%G.57b67a.1] {
    129. 

  129. // CHECK:STDOUT:     %x.patt: %pattern_type.cb1 = binding_pattern x [concrete]
    130. 

  130. // CHECK:STDOUT:     %x.param_patt: %pattern_type.cb1 = value_param_pattern %x.patt, call_param0 [concrete]
    131. 

  131. // CHECK:STDOUT:   } {
    132. 

  132. // CHECK:STDOUT:     %x.param: %empty_tuple.type = value_param call_param0
    133. 

  133. // CHECK:STDOUT:     %.loc25_10.1: type = splice_block %.loc25_10.3 [concrete = constants.%empty_tuple.type] {
    134. 

  134. // CHECK:STDOUT:       %.loc25_10.2: %empty_tuple.type = tuple_literal ()
    135. 

  135. // CHECK:STDOUT:       %.loc25_10.3: type = converted %.loc25_10.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    136. 

  136. // CHECK:STDOUT:     }
    137. 

  137. // CHECK:STDOUT:     %x: %empty_tuple.type = bind_name x, %x.param
    138. 

  138. // CHECK:STDOUT:   }
    139. 

  139. // CHECK:STDOUT:   %G.decl.loc33: %G.type.9f9306.2 = fn_decl @G.loc33 [concrete = constants.%G.57b67a.2] {} {}
    140. 

  140. // CHECK:STDOUT:   %H.decl.loc35: %H.type.6826c6.1 = fn_decl @H.loc35 [concrete = constants.%H.8a6545.1] {
    141. 

  141. // CHECK:STDOUT:     %x.patt: %pattern_type.cb1 = binding_pattern x [concrete]
    142. 

  142. // CHECK:STDOUT:     %x.param_patt: %pattern_type.cb1 = value_param_pattern %x.patt, call_param0 [concrete]
    143. 

  143. // CHECK:STDOUT:   } {
    144. 

  144. // CHECK:STDOUT:     %x.param: %empty_tuple.type = value_param call_param0
    145. 

  145. // CHECK:STDOUT:     %.loc35_10.1: type = splice_block %.loc35_10.3 [concrete = constants.%empty_tuple.type] {
    146. 

  146. // CHECK:STDOUT:       %.loc35_10.2: %empty_tuple.type = tuple_literal ()
    147. 

  147. // CHECK:STDOUT:       %.loc35_10.3: type = converted %.loc35_10.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    148. 

  148. // CHECK:STDOUT:     }
    149. 

  149. // CHECK:STDOUT:     %x: %empty_tuple.type = bind_name x, %x.param
    150. 

  150. // CHECK:STDOUT:   }
    151. 

  151. // CHECK:STDOUT:   %H.decl.loc40: %H.type.6826c6.2 = fn_decl @H.loc40 [concrete = constants.%H.8a6545.2] {
    152. 

  152. // CHECK:STDOUT:     %x.patt: <error> = binding_pattern x [concrete]
    153. 

  153. // CHECK:STDOUT:     %x.param_patt: <error> = value_param_pattern %x.patt, call_param0 [concrete]
    154. 

  154. // CHECK:STDOUT:   } {
    155. 

  155. // CHECK:STDOUT:     %x.param: <error> = value_param call_param0
    156. 

  156. // CHECK:STDOUT:     %x: <error> = bind_name x, %x.param
    157. 

  157. // CHECK:STDOUT:   }
    158. 

  158. // CHECK:STDOUT:   %I.decl.loc42: %I.type.af49c4.1 = fn_decl @I.loc42 [concrete = constants.%I.58e4ec.1] {} {}
    159. 

  159. // CHECK:STDOUT:   %I.decl.loc50: %I.type.af49c4.2 = fn_decl @I.loc50 [concrete = constants.%I.58e4ec.2] {
    160. 

  160. // CHECK:STDOUT:     %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
    161. 

  161. // CHECK:STDOUT:     %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param0 [concrete]
    162. 

  162. // CHECK:STDOUT:   } {
    163. 

  163. // CHECK:STDOUT:     %.loc50_12.1: %empty_tuple.type = tuple_literal ()
    164. 

  164. // CHECK:STDOUT:     %.loc50_12.2: type = converted %.loc50_12.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    165. 

  165. // CHECK:STDOUT:     %return.param: ref %empty_tuple.type = out_param call_param0
    166. 

  166. // CHECK:STDOUT:     %return: ref %empty_tuple.type = return_slot %return.param
    167. 

  167. // CHECK:STDOUT:   }
    168. 

  168. // CHECK:STDOUT:   %J.decl.loc52: %J.type.8e2c84.1 = fn_decl @J.loc52 [concrete = constants.%J.3662e8.1] {
    169. 

  169. // CHECK:STDOUT:     %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
    170. 

  170. // CHECK:STDOUT:     %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param0 [concrete]
    171. 

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

  172. // CHECK:STDOUT:     %.loc52_12.1: %empty_tuple.type = tuple_literal ()
    173. 

  173. // CHECK:STDOUT:     %.loc52_12.2: type = converted %.loc52_12.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    174. 

  174. // CHECK:STDOUT:     %return.param: ref %empty_tuple.type = out_param call_param0
    175. 

  175. // CHECK:STDOUT:     %return: ref %empty_tuple.type = return_slot %return.param
    176. 

  176. // CHECK:STDOUT:   }
    177. 

  177. // CHECK:STDOUT:   %J.decl.loc60: %J.type.8e2c84.2 = fn_decl @J.loc60 [concrete = constants.%J.3662e8.2] {} {}
    178. 

  178. // CHECK:STDOUT:   %K.decl.loc62: %K.type.6cc1c5.1 = fn_decl @K.loc62 [concrete = constants.%K.460d95.1] {
    179. 

  179. // CHECK:STDOUT:     %return.patt: %pattern_type.cb1 = return_slot_pattern [concrete]
    180. 

  180. // CHECK:STDOUT:     %return.param_patt: %pattern_type.cb1 = out_param_pattern %return.patt, call_param0 [concrete]
    181. 

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

  182. // CHECK:STDOUT:     %.loc62_12.1: %empty_tuple.type = tuple_literal ()
    183. 

  183. // CHECK:STDOUT:     %.loc62_12.2: type = converted %.loc62_12.1, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    184. 

  184. // CHECK:STDOUT:     %return.param: ref %empty_tuple.type = out_param call_param0
    185. 

  185. // CHECK:STDOUT:     %return: ref %empty_tuple.type = return_slot %return.param
    186. 

  186. // CHECK:STDOUT:   }
    187. 

  187. // CHECK:STDOUT:   %K.decl.loc70: %K.type.6cc1c5.2 = fn_decl @K.loc70 [concrete = constants.%K.460d95.2] {
    188. 

  188. // CHECK:STDOUT:     %return.patt: %pattern_type.a96 = return_slot_pattern [concrete]
    189. 

  189. // CHECK:STDOUT:     %return.param_patt: %pattern_type.a96 = out_param_pattern %return.patt, call_param0 [concrete]
    190. 

  190. // CHECK:STDOUT:   } {
    191. 

  191. // CHECK:STDOUT:     %.loc70_12.1: %empty_struct_type = struct_literal ()
    192. 

  192. // CHECK:STDOUT:     %.loc70_12.2: type = converted %.loc70_12.1, constants.%empty_struct_type [concrete = constants.%empty_struct_type]
    193. 

  193. // CHECK:STDOUT:     %return.param: ref %empty_struct_type = out_param call_param0
    194. 

  194. // CHECK:STDOUT:     %return: ref %empty_struct_type = return_slot %return.param
    195. 

  195. // CHECK:STDOUT:   }
    196. 

  196. // CHECK:STDOUT: }
    197. 

  197. // CHECK:STDOUT:
    198. 

  198. // CHECK:STDOUT: fn @F.loc15();
    199. 

  199. // CHECK:STDOUT:
    200. 

  200. // CHECK:STDOUT: fn @F.loc23(%x.param: %empty_tuple.type) {
    201. 

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

  202. // CHECK:STDOUT:   return
    203. 

  203. // CHECK:STDOUT: }
    204. 

  204. // CHECK:STDOUT:
    205. 

  205. // CHECK:STDOUT: fn @G.loc25(%x.param: %empty_tuple.type);
    206. 

  206. // CHECK:STDOUT:
    207. 

  207. // CHECK:STDOUT: fn @G.loc33() {
    208. 

  208. // CHECK:STDOUT: !entry:
    209. 

  209. // CHECK:STDOUT:   return
    210. 

  210. // CHECK:STDOUT: }
    211. 

  211. // CHECK:STDOUT:
    212. 

  212. // CHECK:STDOUT: fn @H.loc35(%x.param: %empty_tuple.type);
    213. 

  213. // CHECK:STDOUT:
    214. 

  214. // CHECK:STDOUT: fn @H.loc40(%x.param: <error>) {
    215. 

  215. // CHECK:STDOUT: !entry:
    216. 

  216. // CHECK:STDOUT:   return
    217. 

  217. // CHECK:STDOUT: }
    218. 

  218. // CHECK:STDOUT:
    219. 

  219. // CHECK:STDOUT: fn @I.loc42();
    220. 

  220. // CHECK:STDOUT:
    221. 

  221. // CHECK:STDOUT: fn @I.loc50() -> %empty_tuple.type {
    222. 

  222. // CHECK:STDOUT: !entry:
    223. 

  223. // CHECK:STDOUT:   %.loc50_24: %empty_tuple.type = tuple_literal ()
    224. 

  224. // CHECK:STDOUT:   %empty_tuple: %empty_tuple.type = tuple_value () [concrete = constants.%empty_tuple]
    225. 

  225. // CHECK:STDOUT:   %.loc50_25: %empty_tuple.type = converted %.loc50_24, %empty_tuple [concrete = constants.%empty_tuple]
    226. 

  226. // CHECK:STDOUT:   return %.loc50_25
    227. 

  227. // CHECK:STDOUT: }
    228. 

  228. // CHECK:STDOUT:
    229. 

  229. // CHECK:STDOUT: fn @J.loc52() -> %empty_tuple.type;
    230. 

  230. // CHECK:STDOUT:
    231. 

  231. // CHECK:STDOUT: fn @J.loc60() {
    232. 

  232. // CHECK:STDOUT: !entry:
    233. 

  233. // CHECK:STDOUT:   return
    234. 

  234. // CHECK:STDOUT: }
    235. 

  235. // CHECK:STDOUT:
    236. 

  236. // CHECK:STDOUT: fn @K.loc62() -> %empty_tuple.type;
    237. 

  237. // CHECK:STDOUT:
    238. 

  238. // CHECK:STDOUT: fn @K.loc70() -> %empty_struct_type {
    239. 

  239. // CHECK:STDOUT: !entry:
    240. 

  240. // CHECK:STDOUT:   %.loc70_24: %empty_struct_type = struct_literal ()
    241. 

  241. // CHECK:STDOUT:   %empty_struct: %empty_struct_type = struct_value () [concrete = constants.%empty_struct]
    242. 

  242. // CHECK:STDOUT:   %.loc70_25: %empty_struct_type = converted %.loc70_24, %empty_struct [concrete = constants.%empty_struct]
    243. 

  243. // CHECK:STDOUT:   return %.loc70_25
    244. 

  244. // CHECK:STDOUT: }
    245. 

  245. // CHECK:STDOUT:
    246.