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carbon-lang
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toolchain
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check
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testdata
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let
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fail_duplicate_decl.carbon

fail_duplicate_decl.carbon 6.3 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/let/fail_duplicate_decl.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/let/fail_duplicate_decl.carbon
    10. 

  10. 

  11. fn F() {
    12. 

  12.   let a: i32 = 1;
    13. 

  13.   // CHECK:STDERR: fail_duplicate_decl.carbon:[[@LINE+7]]:7: error: duplicate name being declared in the same scope [NameDeclDuplicate]
    14. 

  14.   // CHECK:STDERR:   let a: i32 = 2;
    15. 

  15.   // CHECK:STDERR:       ^
    16. 

  16.   // CHECK:STDERR: fail_duplicate_decl.carbon:[[@LINE-4]]:7: note: name is previously declared here [NameDeclPrevious]
    17. 

  17.   // CHECK:STDERR:   let a: i32 = 1;
    18. 

  18.   // CHECK:STDERR:       ^
    19. 

  19.   // CHECK:STDERR:
    20. 

  20.   let a: i32 = 2;
    21. 

  21. }
    22. 

  22. 

  23. // CHECK:STDOUT: --- fail_duplicate_decl.carbon
    24. 

  24. // CHECK:STDOUT:
    25. 

  25. // CHECK:STDOUT: constants {
    26. 

  26. // CHECK:STDOUT:   %F.type: type = fn_type @F [template]
    27. 

  27. // CHECK:STDOUT:   %F: %F.type = struct_value () [template]
    28. 

  28. // CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [template]
    29. 

  29. // CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [template]
    30. 

  30. // CHECK:STDOUT:   %int_1.5b8: Core.IntLiteral = int_value 1 [template]
    31. 

  31. // CHECK:STDOUT:   %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [template]
    32. 

  32. // CHECK:STDOUT:   %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
    33. 

  33. // CHECK:STDOUT:   %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [template]
    34. 

  34. // CHECK:STDOUT:   %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [template]
    35. 

  35. // CHECK:STDOUT:   %Convert.956: %Convert.type.035 = struct_value () [template]
    36. 

  36. // CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [template]
    37. 

  37. // CHECK:STDOUT:   %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [template]
    38. 

  38. // CHECK:STDOUT:   %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [template]
    39. 

  39. // CHECK:STDOUT:   %Convert.specific_fn.70c: <specific function> = specific_function %Convert.bound.ab5, @Convert.2(%int_32) [template]
    40. 

  40. // CHECK:STDOUT:   %int_1.5d2: %i32 = int_value 1 [template]
    41. 

  41. // CHECK:STDOUT:   %int_2.ecc: Core.IntLiteral = int_value 2 [template]
    42. 

  42. // CHECK:STDOUT:   %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [template]
    43. 

  43. // CHECK:STDOUT:   %Convert.specific_fn.787: <specific function> = specific_function %Convert.bound.ef9, @Convert.2(%int_32) [template]
    44. 

  44. // CHECK:STDOUT:   %int_2.ef8: %i32 = int_value 2 [template]
    45. 

  45. // CHECK:STDOUT: }
    46. 

  46. // CHECK:STDOUT:
    47. 

  47. // CHECK:STDOUT: imports {
    48. 

  48. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    49. 

  49. // CHECK:STDOUT:     .Int = %Core.Int
    50. 

  50. // CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
    51. 

  51. // CHECK:STDOUT:     import Core//prelude
    52. 

  52. // CHECK:STDOUT:     import Core//prelude/...
    53. 

  53. // CHECK:STDOUT:   }
    54. 

  54. // CHECK:STDOUT: }
    55. 

  55. // CHECK:STDOUT:
    56. 

  56. // CHECK:STDOUT: file {
    57. 

  57. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    58. 

  58. // CHECK:STDOUT:     .Core = imports.%Core
    59. 

  59. // CHECK:STDOUT:     .F = %F.decl
    60. 

  60. // CHECK:STDOUT:   }
    61. 

  61. // CHECK:STDOUT:   %Core.import = import Core
    62. 

  62. // CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {} {}
    63. 

  63. // CHECK:STDOUT: }
    64. 

  64. // CHECK:STDOUT:
    65. 

  65. // CHECK:STDOUT: fn @F() {
    66. 

  66. // CHECK:STDOUT: !entry:
    67. 

  67. // CHECK:STDOUT:   name_binding_decl {
    68. 

  68. // CHECK:STDOUT:     %a.patt.loc12: %i32 = binding_pattern a
    69. 

  69. // CHECK:STDOUT:   }
    70. 

  70. // CHECK:STDOUT:   %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.5b8]
    71. 

  71. // CHECK:STDOUT:   %.loc12_10: type = splice_block %i32.loc12 [template = constants.%i32] {
    72. 

  72. // CHECK:STDOUT:     %int_32.loc12: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    73. 

  73. // CHECK:STDOUT:     %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    74. 

  74. // CHECK:STDOUT:   }
    75. 

  75. // CHECK:STDOUT:   %impl.elem0.loc12: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
    76. 

  76. // CHECK:STDOUT:   %bound_method.loc12: <bound method> = bound_method %int_1, %impl.elem0.loc12 [template = constants.%Convert.bound.ab5]
    77. 

  77. // CHECK:STDOUT:   %specific_fn.loc12: <specific function> = specific_function %bound_method.loc12, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.70c]
    78. 

  78. // CHECK:STDOUT:   %int.convert_checked.loc12: init %i32 = call %specific_fn.loc12(%int_1) [template = constants.%int_1.5d2]
    79. 

  79. // CHECK:STDOUT:   %.loc12_16.1: %i32 = value_of_initializer %int.convert_checked.loc12 [template = constants.%int_1.5d2]
    80. 

  80. // CHECK:STDOUT:   %.loc12_16.2: %i32 = converted %int_1, %.loc12_16.1 [template = constants.%int_1.5d2]
    81. 

  81. // CHECK:STDOUT:   %a.loc12: %i32 = bind_name a, %.loc12_16.2
    82. 

  82. // CHECK:STDOUT:   name_binding_decl {
    83. 

  83. // CHECK:STDOUT:     %a.patt.loc20: %i32 = binding_pattern a
    84. 

  84. // CHECK:STDOUT:   }
    85. 

  85. // CHECK:STDOUT:   %int_2: Core.IntLiteral = int_value 2 [template = constants.%int_2.ecc]
    86. 

  86. // CHECK:STDOUT:   %.loc20_10: type = splice_block %i32.loc20 [template = constants.%i32] {
    87. 

  87. // CHECK:STDOUT:     %int_32.loc20: Core.IntLiteral = int_value 32 [template = constants.%int_32]
    88. 

  88. // CHECK:STDOUT:     %i32.loc20: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
    89. 

  89. // CHECK:STDOUT:   }
    90. 

  90. // CHECK:STDOUT:   %impl.elem0.loc20: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [template = constants.%Convert.956]
    91. 

  91. // CHECK:STDOUT:   %bound_method.loc20: <bound method> = bound_method %int_2, %impl.elem0.loc20 [template = constants.%Convert.bound.ef9]
    92. 

  92. // CHECK:STDOUT:   %specific_fn.loc20: <specific function> = specific_function %bound_method.loc20, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.787]
    93. 

  93. // CHECK:STDOUT:   %int.convert_checked.loc20: init %i32 = call %specific_fn.loc20(%int_2) [template = constants.%int_2.ef8]
    94. 

  94. // CHECK:STDOUT:   %.loc20_16.1: %i32 = value_of_initializer %int.convert_checked.loc20 [template = constants.%int_2.ef8]
    95. 

  95. // CHECK:STDOUT:   %.loc20_16.2: %i32 = converted %int_2, %.loc20_16.1 [template = constants.%int_2.ef8]
    96. 

  96. // CHECK:STDOUT:   %a.loc20: %i32 = bind_name a, %.loc20_16.2
    97. 

  97. // CHECK:STDOUT:   return
    98. 

  98. // CHECK:STDOUT: }
    99. 

  99. // CHECK:STDOUT:
    100.