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carbon-lang
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toolchain
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check
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interface
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fail_generic_redeclaration.carbon

fail_generic_redeclaration.carbon 11 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/interface/no_prelude/fail_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/interface/no_prelude/fail_generic_redeclaration.carbon
    10. 

  10. 

  11. interface NotGeneric;
    12. 

  12. // CHECK:STDERR: fail_generic_redeclaration.carbon:[[@LINE+7]]:1: error: redeclaration differs because of parameter list [RedeclParamListDiffers]
    13. 

  13. // CHECK:STDERR: interface NotGeneric(T:! type) {}
    14. 

  14. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    15. 

  15. // CHECK:STDERR: fail_generic_redeclaration.carbon:[[@LINE-4]]:1: note: previously declared without parameter list [RedeclParamListPrevious]
    16. 

  16. // CHECK:STDERR: interface NotGeneric;
    17. 

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

  18. // CHECK:STDERR:
    19. 

  19. interface NotGeneric(T:! type) {}
    20. 

  20. 

  21. interface Generic(T:! type);
    22. 

  22. // CHECK:STDERR: fail_generic_redeclaration.carbon:[[@LINE+7]]:1: error: redeclaration differs because of missing parameter list [RedeclParamListDiffers]
    23. 

  23. // CHECK:STDERR: interface Generic {}
    24. 

  24. // CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~
    25. 

  25. // CHECK:STDERR: fail_generic_redeclaration.carbon:[[@LINE-4]]:1: note: previously declared with parameter list [RedeclParamListPrevious]
    26. 

  26. // CHECK:STDERR: interface Generic(T:! type);
    27. 

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

  28. // CHECK:STDERR:
    29. 

  29. interface Generic {}
    30. 

  30. 

  31. interface DifferentParams(T:! type);
    32. 

  32. // CHECK:STDERR: fail_generic_redeclaration.carbon:[[@LINE+7]]:27: error: type `()` of parameter 1 in redeclaration differs from previous parameter type `type` [RedeclParamDiffersType]
    33. 

  33. // CHECK:STDERR: interface DifferentParams(T:! ()) {}
    34. 

  34. // CHECK:STDERR:                           ^
    35. 

  35. // CHECK:STDERR: fail_generic_redeclaration.carbon:[[@LINE-4]]:27: note: previous declaration's corresponding parameter here [RedeclParamPrevious]
    36. 

  36. // CHECK:STDERR: interface DifferentParams(T:! type);
    37. 

  37. // CHECK:STDERR:                           ^
    38. 

  38. // CHECK:STDERR:
    39. 

  39. interface DifferentParams(T:! ()) {}
    40. 

  40. 

  41. // CHECK:STDOUT: --- fail_generic_redeclaration.carbon
    42. 

  42. // CHECK:STDOUT:
    43. 

  43. // CHECK:STDOUT: constants {
    44. 

  44. // CHECK:STDOUT:   %NotGeneric.type.10e: type = facet_type <@NotGeneric.1> [concrete]
    45. 

  45. // CHECK:STDOUT:   %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
    46. 

  46. // CHECK:STDOUT:   %T.patt.e01: type = symbolic_binding_pattern T, 0 [symbolic]
    47. 

  47. // CHECK:STDOUT:   %NotGeneric.type.93b: type = generic_interface_type @NotGeneric.2 [concrete]
    48. 

  48. // CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
    49. 

  49. // CHECK:STDOUT:   %NotGeneric.generic: %NotGeneric.type.93b = struct_value () [concrete]
    50. 

  50. // CHECK:STDOUT:   %NotGeneric.type.8cb: type = facet_type <@NotGeneric.2, @NotGeneric.2(%T.8b3)> [symbolic]
    51. 

  51. // CHECK:STDOUT:   %Self.c08: %NotGeneric.type.8cb = bind_symbolic_name Self, 1 [symbolic]
    52. 

  52. // CHECK:STDOUT:   %Generic.type.c21: type = generic_interface_type @Generic.1 [concrete]
    53. 

  53. // CHECK:STDOUT:   %Generic.generic: %Generic.type.c21 = struct_value () [concrete]
    54. 

  54. // CHECK:STDOUT:   %Generic.type.c99: type = facet_type <@Generic.2> [concrete]
    55. 

  55. // CHECK:STDOUT:   %Self.5ae: %Generic.type.c99 = bind_symbolic_name Self, 0 [symbolic]
    56. 

  56. // CHECK:STDOUT:   %DifferentParams.type.d40e5c.1: type = generic_interface_type @DifferentParams.1 [concrete]
    57. 

  57. // CHECK:STDOUT:   %DifferentParams.generic.d33670.1: %DifferentParams.type.d40e5c.1 = struct_value () [concrete]
    58. 

  58. // CHECK:STDOUT:   %T.7a6: %empty_tuple.type = bind_symbolic_name T, 0 [symbolic]
    59. 

  59. // CHECK:STDOUT:   %T.patt.e60: %empty_tuple.type = symbolic_binding_pattern T, 0 [symbolic]
    60. 

  60. // CHECK:STDOUT:   %DifferentParams.type.d40e5c.2: type = generic_interface_type @DifferentParams.2 [concrete]
    61. 

  61. // CHECK:STDOUT:   %DifferentParams.generic.d33670.2: %DifferentParams.type.d40e5c.2 = struct_value () [concrete]
    62. 

  62. // CHECK:STDOUT:   %DifferentParams.type.12c: type = facet_type <@DifferentParams.2, @DifferentParams.2(%T.7a6)> [symbolic]
    63. 

  63. // CHECK:STDOUT:   %Self.8d7: %DifferentParams.type.12c = bind_symbolic_name Self, 1 [symbolic]
    64. 

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

  66. // CHECK:STDOUT: file {
    67. 

  67. // CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
    68. 

  68. // CHECK:STDOUT:     .NotGeneric = %NotGeneric.decl.loc11
    69. 

  69. // CHECK:STDOUT:     .Generic = %Generic.decl.loc21
    70. 

  70. // CHECK:STDOUT:     .DifferentParams = %DifferentParams.decl.loc31
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %NotGeneric.decl.loc11: type = interface_decl @NotGeneric.1 [concrete = constants.%NotGeneric.type.10e] {} {}
    73. 

  73. // CHECK:STDOUT:   %NotGeneric.decl.loc19: %NotGeneric.type.93b = interface_decl @NotGeneric.2 [concrete = constants.%NotGeneric.generic] {
    74. 

  74. // CHECK:STDOUT:     %T.patt.loc19_22.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc19_22.2 (constants.%T.patt.e01)]
    75. 

  75. // CHECK:STDOUT:   } {
    76. 

  76. // CHECK:STDOUT:     %T.loc19_22.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc19_22.2 (constants.%T.8b3)]
    77. 

  77. // CHECK:STDOUT:   }
    78. 

  78. // CHECK:STDOUT:   %Generic.decl.loc21: %Generic.type.c21 = interface_decl @Generic.1 [concrete = constants.%Generic.generic] {
    79. 

  79. // CHECK:STDOUT:     %T.patt.loc21_19.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc21_19.2 (constants.%T.patt.e01)]
    80. 

  80. // CHECK:STDOUT:   } {
    81. 

  81. // CHECK:STDOUT:     %T.loc21_19.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc21_19.2 (constants.%T.8b3)]
    82. 

  82. // CHECK:STDOUT:   }
    83. 

  83. // CHECK:STDOUT:   %Generic.decl.loc29: type = interface_decl @Generic.2 [concrete = constants.%Generic.type.c99] {} {}
    84. 

  84. // CHECK:STDOUT:   %DifferentParams.decl.loc31: %DifferentParams.type.d40e5c.1 = interface_decl @DifferentParams.1 [concrete = constants.%DifferentParams.generic.d33670.1] {
    85. 

  85. // CHECK:STDOUT:     %T.patt.loc31_27.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc31_27.2 (constants.%T.patt.e01)]
    86. 

  86. // CHECK:STDOUT:   } {
    87. 

  87. // CHECK:STDOUT:     %T.loc31_27.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc31_27.2 (constants.%T.8b3)]
    88. 

  88. // CHECK:STDOUT:   }
    89. 

  89. // CHECK:STDOUT:   %DifferentParams.decl.loc39: %DifferentParams.type.d40e5c.2 = interface_decl @DifferentParams.2 [concrete = constants.%DifferentParams.generic.d33670.2] {
    90. 

  90. // CHECK:STDOUT:     %T.patt.loc39_27.1: %empty_tuple.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc39_27.2 (constants.%T.patt.e60)]
    91. 

  91. // CHECK:STDOUT:   } {
    92. 

  92. // CHECK:STDOUT:     %.loc39_32.1: type = splice_block %.loc39_32.3 [concrete = constants.%empty_tuple.type] {
    93. 

  93. // CHECK:STDOUT:       %.loc39_32.2: %empty_tuple.type = tuple_literal ()
    94. 

  94. // CHECK:STDOUT:       %.loc39_32.3: type = converted %.loc39_32.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
    95. 

  95. // CHECK:STDOUT:     }
    96. 

  96. // CHECK:STDOUT:     %T.loc39_27.1: %empty_tuple.type = bind_symbolic_name T, 0 [symbolic = %T.loc39_27.2 (constants.%T.7a6)]
    97. 

  97. // CHECK:STDOUT:   }
    98. 

  98. // CHECK:STDOUT: }
    99. 

  99. // CHECK:STDOUT:
    100. 

  100. // CHECK:STDOUT: interface @NotGeneric.1;
    101. 

  101. // CHECK:STDOUT:
    102. 

  102. // CHECK:STDOUT: generic interface @NotGeneric.2(%T.loc19_22.1: type) {
    103. 

  103. // CHECK:STDOUT:   %T.loc19_22.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc19_22.2 (constants.%T.8b3)]
    104. 

  104. // CHECK:STDOUT:   %T.patt.loc19_22.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc19_22.2 (constants.%T.patt.e01)]
    105. 

  105. // CHECK:STDOUT:
    106. 

  106. // CHECK:STDOUT: !definition:
    107. 

  107. // CHECK:STDOUT:   %NotGeneric.type: type = facet_type <@NotGeneric.2, @NotGeneric.2(%T.loc19_22.2)> [symbolic = %NotGeneric.type (constants.%NotGeneric.type.8cb)]
    108. 

  108. // CHECK:STDOUT:   %Self.2: @NotGeneric.2.%NotGeneric.type (%NotGeneric.type.8cb) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.c08)]
    109. 

  109. // CHECK:STDOUT:
    110. 

  110. // CHECK:STDOUT:   interface {
    111. 

  111. // CHECK:STDOUT:     %Self.1: @NotGeneric.2.%NotGeneric.type (%NotGeneric.type.8cb) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.c08)]
    112. 

  112. // CHECK:STDOUT:
    113. 

  113. // CHECK:STDOUT:   !members:
    114. 

  114. // CHECK:STDOUT:     .Self = %Self.1
    115. 

  115. // CHECK:STDOUT:     witness = ()
    116. 

  116. // CHECK:STDOUT:   }
    117. 

  117. // CHECK:STDOUT: }
    118. 

  118. // CHECK:STDOUT:
    119. 

  119. // CHECK:STDOUT: generic interface @Generic.1(%T.loc21_19.1: type) {
    120. 

  120. // CHECK:STDOUT:   %T.loc21_19.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc21_19.2 (constants.%T.8b3)]
    121. 

  121. // CHECK:STDOUT:   %T.patt.loc21_19.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc21_19.2 (constants.%T.patt.e01)]
    122. 

  122. // CHECK:STDOUT:
    123. 

  123. // CHECK:STDOUT:   interface;
    124. 

  124. // CHECK:STDOUT: }
    125. 

  125. // CHECK:STDOUT:
    126. 

  126. // CHECK:STDOUT: interface @Generic.2 {
    127. 

  127. // CHECK:STDOUT:   %Self: %Generic.type.c99 = bind_symbolic_name Self, 0 [symbolic = constants.%Self.5ae]
    128. 

  128. // CHECK:STDOUT:
    129. 

  129. // CHECK:STDOUT: !members:
    130. 

  130. // CHECK:STDOUT:   .Self = %Self
    131. 

  131. // CHECK:STDOUT:   witness = ()
    132. 

  132. // CHECK:STDOUT: }
    133. 

  133. // CHECK:STDOUT:
    134. 

  134. // CHECK:STDOUT: generic interface @DifferentParams.1(%T.loc31_27.1: type) {
    135. 

  135. // CHECK:STDOUT:   %T.loc31_27.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc31_27.2 (constants.%T.8b3)]
    136. 

  136. // CHECK:STDOUT:   %T.patt.loc31_27.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc31_27.2 (constants.%T.patt.e01)]
    137. 

  137. // CHECK:STDOUT:
    138. 

  138. // CHECK:STDOUT:   interface;
    139. 

  139. // CHECK:STDOUT: }
    140. 

  140. // CHECK:STDOUT:
    141. 

  141. // CHECK:STDOUT: generic interface @DifferentParams.2(%T.loc39_27.1: %empty_tuple.type) {
    142. 

  142. // CHECK:STDOUT:   %T.loc39_27.2: %empty_tuple.type = bind_symbolic_name T, 0 [symbolic = %T.loc39_27.2 (constants.%T.7a6)]
    143. 

  143. // CHECK:STDOUT:   %T.patt.loc39_27.2: %empty_tuple.type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc39_27.2 (constants.%T.patt.e60)]
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: !definition:
    146. 

  146. // CHECK:STDOUT:   %DifferentParams.type: type = facet_type <@DifferentParams.2, @DifferentParams.2(%T.loc39_27.2)> [symbolic = %DifferentParams.type (constants.%DifferentParams.type.12c)]
    147. 

  147. // CHECK:STDOUT:   %Self.2: @DifferentParams.2.%DifferentParams.type (%DifferentParams.type.12c) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.8d7)]
    148. 

  148. // CHECK:STDOUT:
    149. 

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

  150. // CHECK:STDOUT:     %Self.1: @DifferentParams.2.%DifferentParams.type (%DifferentParams.type.12c) = bind_symbolic_name Self, 1 [symbolic = %Self.2 (constants.%Self.8d7)]
    151. 

  151. // CHECK:STDOUT:
    152. 

  152. // CHECK:STDOUT:   !members:
    153. 

  153. // CHECK:STDOUT:     .Self = %Self.1
    154. 

  154. // CHECK:STDOUT:     witness = ()
    155. 

  155. // CHECK:STDOUT:   }
    156. 

  156. // CHECK:STDOUT: }
    157. 

  157. // CHECK:STDOUT:
    158. 

  158. // CHECK:STDOUT: specific @NotGeneric.2(constants.%T.8b3) {
    159. 

  159. // CHECK:STDOUT:   %T.loc19_22.2 => constants.%T.8b3
    160. 

  160. // CHECK:STDOUT:   %T.patt.loc19_22.2 => constants.%T.patt.e01
    161. 

  161. // CHECK:STDOUT: }
    162. 

  162. // CHECK:STDOUT:
    163. 

  163. // CHECK:STDOUT: specific @NotGeneric.2(%T.loc19_22.2) {}
    164. 

  164. // CHECK:STDOUT:
    165. 

  165. // CHECK:STDOUT: specific @Generic.1(constants.%T.8b3) {
    166. 

  166. // CHECK:STDOUT:   %T.loc21_19.2 => constants.%T.8b3
    167. 

  167. // CHECK:STDOUT:   %T.patt.loc21_19.2 => constants.%T.patt.e01
    168. 

  168. // CHECK:STDOUT: }
    169. 

  169. // CHECK:STDOUT:
    170. 

  170. // CHECK:STDOUT: specific @DifferentParams.1(constants.%T.8b3) {
    171. 

  171. // CHECK:STDOUT:   %T.loc31_27.2 => constants.%T.8b3
    172. 

  172. // CHECK:STDOUT:   %T.patt.loc31_27.2 => constants.%T.patt.e01
    173. 

  173. // CHECK:STDOUT: }
    174. 

  174. // CHECK:STDOUT:
    175. 

  175. // CHECK:STDOUT: specific @DifferentParams.2(constants.%T.7a6) {
    176. 

  176. // CHECK:STDOUT:   %T.loc39_27.2 => constants.%T.7a6
    177. 

  177. // CHECK:STDOUT:   %T.patt.loc39_27.2 => constants.%T.patt.e60
    178. 

  178. // CHECK:STDOUT: }
    179. 

  179. // CHECK:STDOUT:
    180. 

  180. // CHECK:STDOUT: specific @DifferentParams.2(%T.loc39_27.2) {}
    181. 

  181. // CHECK:STDOUT:
    182.