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carbon-lang
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carbon-lang
/
toolchain
/
check
/
testdata
/
class
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generic
/
init.carbon

init.carbon 14 KB
История Исходник

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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/class/generic/init.carbon
    8. 

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

  9. // TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/init.carbon
    10. 

  10. 

  11. // --- init.carbon
    12. 

  12. 

  13. class Class(T:! type) {
    14. 

  14.   var k: T;
    15. 

  15. }
    16. 

  16. 

  17. fn InitFromStructGeneric(T:! type, x: T) -> T {
    18. 

  18.   var v: Class(T) = {.k = x};
    19. 

  19.   return v.k;
    20. 

  20. }
    21. 

  21. 

  22. // --- fail_todo_init.carbon
    23. 

  23. 

  24. library "fail_todo_init";
    25. 

  25. 

  26. class Class(T:! type) {
    27. 

  27.   var k: T;
    28. 

  28. }
    29. 

  29. 

  30. // TODO: The following should work.
    31. 

  31. fn InitFromStructSpecific() -> i32 {
    32. 

  32.   // CHECK:STDERR: fail_todo_init.carbon:[[@LINE+3]]:23: ERROR: Cannot implicitly convert from `i32` to `T`.
    33. 

  33.   // CHECK:STDERR:   var v: Class(i32) = {.k = 0};
    34. 

  34.   // CHECK:STDERR:                       ^~~~~~~~
    35. 

  35.   var v: Class(i32) = {.k = 0};
    36. 

  36.   return v.k;
    37. 

  37. }
    38. 

  38. 

  39. // CHECK:STDOUT: --- init.carbon
    40. 

  40. // CHECK:STDOUT:
    41. 

  41. // CHECK:STDOUT: constants {
    42. 

  42. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    43. 

  43. // CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [template]
    44. 

  44. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    45. 

  45. // CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
    46. 

  46. // CHECK:STDOUT:   %Class.2: type = class_type @Class, @Class(%T) [symbolic]
    47. 

  47. // CHECK:STDOUT:   %.2: type = unbound_element_type %Class.2, %T [symbolic]
    48. 

  48. // CHECK:STDOUT:   %.3: type = struct_type {.k: %T} [symbolic]
    49. 

  49. // CHECK:STDOUT:   %InitFromStructGeneric.type: type = fn_type @InitFromStructGeneric [template]
    50. 

  50. // CHECK:STDOUT:   %InitFromStructGeneric: %InitFromStructGeneric.type = struct_value () [template]
    51. 

  51. // CHECK:STDOUT:   %.4: type = ptr_type %.3 [symbolic]
    52. 

  52. // CHECK:STDOUT: }
    53. 

  53. // CHECK:STDOUT:
    54. 

  54. // CHECK:STDOUT: imports {
    55. 

  55. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    56. 

  56. // CHECK:STDOUT:     import Core//prelude
    57. 

  57. // CHECK:STDOUT:     import Core//prelude/operators
    58. 

  58. // CHECK:STDOUT:     import Core//prelude/types
    59. 

  59. // CHECK:STDOUT:     import Core//prelude/operators/arithmetic
    60. 

  60. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    61. 

  61. // CHECK:STDOUT:     import Core//prelude/operators/comparison
    62. 

  62. // CHECK:STDOUT:     import Core//prelude/types/bool
    63. 

  63. // CHECK:STDOUT:   }
    64. 

  64. // CHECK:STDOUT: }
    65. 

  65. // CHECK:STDOUT:
    66. 

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

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

  68. // CHECK:STDOUT:     .Core = imports.%Core
    69. 

  69. // CHECK:STDOUT:     .Class = %Class.decl
    70. 

  70. // CHECK:STDOUT:     .InitFromStructGeneric = %InitFromStructGeneric.decl
    71. 

  71. // CHECK:STDOUT:   }
    72. 

  72. // CHECK:STDOUT:   %Core.import = import Core
    73. 

  73. // CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
    74. 

  74. // CHECK:STDOUT:     %T.loc2_13.1: type = param T
    75. 

  75. // CHECK:STDOUT:     %T.loc2_13.2: type = bind_symbolic_name T 0, %T.loc2_13.1 [symbolic = @Class.%T (constants.%T)]
    76. 

  76. // CHECK:STDOUT:   }
    77. 

  77. // CHECK:STDOUT:   %InitFromStructGeneric.decl: %InitFromStructGeneric.type = fn_decl @InitFromStructGeneric [template = constants.%InitFromStructGeneric] {
    78. 

  78. // CHECK:STDOUT:     %T.loc6_26.1: type = param T
    79. 

  79. // CHECK:STDOUT:     @InitFromStructGeneric.%T.loc6: type = bind_symbolic_name T 0, %T.loc6_26.1 [symbolic = @InitFromStructGeneric.%T.1 (constants.%T)]
    80. 

  80. // CHECK:STDOUT:     %T.ref.loc6_39: type = name_ref T, @InitFromStructGeneric.%T.loc6 [symbolic = @InitFromStructGeneric.%T.1 (constants.%T)]
    81. 

  81. // CHECK:STDOUT:     %x.loc6_36.1: @InitFromStructGeneric.%T.1 (%T) = param x
    82. 

  82. // CHECK:STDOUT:     @InitFromStructGeneric.%x: @InitFromStructGeneric.%T.1 (%T) = bind_name x, %x.loc6_36.1
    83. 

  83. // CHECK:STDOUT:     %T.ref.loc6_45: type = name_ref T, @InitFromStructGeneric.%T.loc6 [symbolic = @InitFromStructGeneric.%T.1 (constants.%T)]
    84. 

  84. // CHECK:STDOUT:     @InitFromStructGeneric.%return: ref @InitFromStructGeneric.%T.1 (%T) = var <return slot>
    85. 

  85. // CHECK:STDOUT:   }
    86. 

  86. // CHECK:STDOUT: }
    87. 

  87. // CHECK:STDOUT:
    88. 

  88. // CHECK:STDOUT: generic class @Class(file.%T.loc2_13.2: type) {
    89. 

  89. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
    90. 

  90. // CHECK:STDOUT:
    91. 

  91. // CHECK:STDOUT: !definition:
    92. 

  92. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
    93. 

  93. // CHECK:STDOUT:   %.1: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T (%T) [symbolic = %.1 (constants.%.2)]
    94. 

  94. // CHECK:STDOUT:
    95. 

  95. // CHECK:STDOUT:   class {
    96. 

  96. // CHECK:STDOUT:     %T.ref: type = name_ref T, file.%T.loc2_13.2 [symbolic = %T (constants.%T)]
    97. 

  97. // CHECK:STDOUT:     %.loc3: @Class.%.1 (%.2) = field_decl k, element0 [template]
    98. 

  98. // CHECK:STDOUT:
    99. 

  99. // CHECK:STDOUT:   !members:
    100. 

  100. // CHECK:STDOUT:     .Self = constants.%Class.2
    101. 

  101. // CHECK:STDOUT:     .k = %.loc3
    102. 

  102. // CHECK:STDOUT:   }
    103. 

  103. // CHECK:STDOUT: }
    104. 

  104. // CHECK:STDOUT:
    105. 

  105. // CHECK:STDOUT: generic fn @InitFromStructGeneric(%T.loc6: type) {
    106. 

  106. // CHECK:STDOUT:   %T.1: type = bind_symbolic_name T 0 [symbolic = %T.1 (constants.%T)]
    107. 

  107. // CHECK:STDOUT:
    108. 

  108. // CHECK:STDOUT: !definition:
    109. 

  109. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T.1) [symbolic = %Class (constants.%Class.2)]
    110. 

  110. // CHECK:STDOUT:   %.1: type = struct_type {.k: @InitFromStructGeneric.%T.1 (%T)} [symbolic = %.1 (constants.%.3)]
    111. 

  111. // CHECK:STDOUT:   %.2: type = unbound_element_type @InitFromStructGeneric.%Class (%Class.2), @InitFromStructGeneric.%T.1 (%T) [symbolic = %.2 (constants.%.2)]
    112. 

  112. // CHECK:STDOUT:
    113. 

  113. // CHECK:STDOUT:   fn(%T.loc6: type, %x: @InitFromStructGeneric.%T.1 (%T)) -> @InitFromStructGeneric.%T.1 (%T) {
    114. 

  114. // CHECK:STDOUT:   !entry:
    115. 

  115. // CHECK:STDOUT:     %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.1]
    116. 

  116. // CHECK:STDOUT:     %T.ref: type = name_ref T, %T.loc6 [symbolic = %T.1 (constants.%T)]
    117. 

  117. // CHECK:STDOUT:     %.loc7_15: init type = call %Class.ref(%T.ref) [symbolic = %Class (constants.%Class.2)]
    118. 

  118. // CHECK:STDOUT:     %.loc7_17.1: type = value_of_initializer %.loc7_15 [symbolic = %Class (constants.%Class.2)]
    119. 

  119. // CHECK:STDOUT:     %.loc7_17.2: type = converted %.loc7_15, %.loc7_17.1 [symbolic = %Class (constants.%Class.2)]
    120. 

  120. // CHECK:STDOUT:     %v.var: ref @InitFromStructGeneric.%Class (%Class.2) = var v
    121. 

  121. // CHECK:STDOUT:     %v: ref @InitFromStructGeneric.%Class (%Class.2) = bind_name v, %v.var
    122. 

  122. // CHECK:STDOUT:     %x.ref: @InitFromStructGeneric.%T.1 (%T) = name_ref x, %x
    123. 

  123. // CHECK:STDOUT:     %.loc7_28.1: @InitFromStructGeneric.%.1 (%.3) = struct_literal (%x.ref)
    124. 

  124. // CHECK:STDOUT:     %.loc7_28.2: ref @InitFromStructGeneric.%T.1 (%T) = class_element_access %v.var, element0
    125. 

  125. // CHECK:STDOUT:     %.loc7_28.3: init @InitFromStructGeneric.%T.1 (%T) = initialize_from %x.ref to %.loc7_28.2
    126. 

  126. // CHECK:STDOUT:     %.loc7_28.4: init @InitFromStructGeneric.%Class (%Class.2) = class_init (%.loc7_28.3), %v.var
    127. 

  127. // CHECK:STDOUT:     %.loc7_29: init @InitFromStructGeneric.%Class (%Class.2) = converted %.loc7_28.1, %.loc7_28.4
    128. 

  128. // CHECK:STDOUT:     assign %v.var, %.loc7_29
    129. 

  129. // CHECK:STDOUT:     %v.ref: ref @InitFromStructGeneric.%Class (%Class.2) = name_ref v, %v
    130. 

  130. // CHECK:STDOUT:     %k.ref: @InitFromStructGeneric.%.2 (%.2) = name_ref k, @Class.%.loc3 [template = @Class.%.loc3]
    131. 

  131. // CHECK:STDOUT:     %.loc8_11.1: ref @InitFromStructGeneric.%T.1 (%T) = class_element_access %v.ref, element0
    132. 

  132. // CHECK:STDOUT:     %.loc8_11.2: @InitFromStructGeneric.%T.1 (%T) = bind_value %.loc8_11.1
    133. 

  133. // CHECK:STDOUT:     return %.loc8_11.2
    134. 

  134. // CHECK:STDOUT:   }
    135. 

  135. // CHECK:STDOUT: }
    136. 

  136. // CHECK:STDOUT:
    137. 

  137. // CHECK:STDOUT: specific @Class(constants.%T) {
    138. 

  138. // CHECK:STDOUT:   %T => constants.%T
    139. 

  139. // CHECK:STDOUT:
    140. 

  140. // CHECK:STDOUT: !definition:
    141. 

  141. // CHECK:STDOUT:   %Class => constants.%Class.2
    142. 

  142. // CHECK:STDOUT:   %.1 => constants.%.2
    143. 

  143. // CHECK:STDOUT: }
    144. 

  144. // CHECK:STDOUT:
    145. 

  145. // CHECK:STDOUT: specific @Class(@Class.%T) {
    146. 

  146. // CHECK:STDOUT:   %T => constants.%T
    147. 

  147. // CHECK:STDOUT: }
    148. 

  148. // CHECK:STDOUT:
    149. 

  149. // CHECK:STDOUT: specific @InitFromStructGeneric(constants.%T) {
    150. 

  150. // CHECK:STDOUT:   %T.1 => constants.%T
    151. 

  151. // CHECK:STDOUT: }
    152. 

  152. // CHECK:STDOUT:
    153. 

  153. // CHECK:STDOUT: specific @Class(@InitFromStructGeneric.%T.1) {
    154. 

  154. // CHECK:STDOUT:   %T => constants.%T
    155. 

  155. // CHECK:STDOUT: }
    156. 

  156. // CHECK:STDOUT:
    157. 

  157. // CHECK:STDOUT: --- fail_todo_init.carbon
    158. 

  158. // CHECK:STDOUT:
    159. 

  159. // CHECK:STDOUT: constants {
    160. 

  160. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic]
    161. 

  161. // CHECK:STDOUT:   %Class.type: type = generic_class_type @Class [template]
    162. 

  162. // CHECK:STDOUT:   %.1: type = tuple_type () [template]
    163. 

  163. // CHECK:STDOUT:   %Class.1: %Class.type = struct_value () [template]
    164. 

  164. // CHECK:STDOUT:   %Class.2: type = class_type @Class, @Class(%T) [symbolic]
    165. 

  165. // CHECK:STDOUT:   %.2: type = unbound_element_type %Class.2, %T [symbolic]
    166. 

  166. // CHECK:STDOUT:   %.3: type = struct_type {.k: %T} [symbolic]
    167. 

  167. // CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
    168. 

  168. // CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
    169. 

  169. // CHECK:STDOUT:   %InitFromStructSpecific.type: type = fn_type @InitFromStructSpecific [template]
    170. 

  170. // CHECK:STDOUT:   %InitFromStructSpecific: %InitFromStructSpecific.type = struct_value () [template]
    171. 

  171. // CHECK:STDOUT:   %Class.3: type = class_type @Class, @Class(i32) [template]
    172. 

  172. // CHECK:STDOUT:   %.4: type = unbound_element_type %Class.3, i32 [template]
    173. 

  173. // CHECK:STDOUT:   %.5: type = ptr_type %.3 [symbolic]
    174. 

  174. // CHECK:STDOUT:   %.6: i32 = int_literal 0 [template]
    175. 

  175. // CHECK:STDOUT:   %.7: type = struct_type {.k: i32} [template]
    176. 

  176. // CHECK:STDOUT: }
    177. 

  177. // CHECK:STDOUT:
    178. 

  178. // CHECK:STDOUT: imports {
    179. 

  179. // CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
    180. 

  180. // CHECK:STDOUT:     .Int32 = %import_ref
    181. 

  181. // CHECK:STDOUT:     import Core//prelude
    182. 

  182. // CHECK:STDOUT:     import Core//prelude/operators
    183. 

  183. // CHECK:STDOUT:     import Core//prelude/types
    184. 

  184. // CHECK:STDOUT:     import Core//prelude/operators/arithmetic
    185. 

  185. // CHECK:STDOUT:     import Core//prelude/operators/bitwise
    186. 

  186. // CHECK:STDOUT:     import Core//prelude/operators/comparison
    187. 

  187. // CHECK:STDOUT:     import Core//prelude/types/bool
    188. 

  188. // CHECK:STDOUT:   }
    189. 

  189. // CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+4, loaded [template = constants.%Int32]
    190. 

  190. // CHECK:STDOUT: }
    191. 

  191. // CHECK:STDOUT:
    192. 

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

  193. // CHECK:STDOUT:   package: <namespace> = namespace [template] {
    194. 

  194. // CHECK:STDOUT:     .Core = imports.%Core
    195. 

  195. // CHECK:STDOUT:     .Class = %Class.decl
    196. 

  196. // CHECK:STDOUT:     .InitFromStructSpecific = %InitFromStructSpecific.decl
    197. 

  197. // CHECK:STDOUT:   }
    198. 

  198. // CHECK:STDOUT:   %Core.import = import Core
    199. 

  199. // CHECK:STDOUT:   %Class.decl: %Class.type = class_decl @Class [template = constants.%Class.1] {
    200. 

  200. // CHECK:STDOUT:     %T.loc4_13.1: type = param T
    201. 

  201. // CHECK:STDOUT:     %T.loc4_13.2: type = bind_symbolic_name T 0, %T.loc4_13.1 [symbolic = @Class.%T (constants.%T)]
    202. 

  202. // CHECK:STDOUT:   }
    203. 

  203. // CHECK:STDOUT:   %InitFromStructSpecific.decl: %InitFromStructSpecific.type = fn_decl @InitFromStructSpecific [template = constants.%InitFromStructSpecific] {
    204. 

  204. // CHECK:STDOUT:     %int.make_type_32: init type = call constants.%Int32() [template = i32]
    205. 

  205. // CHECK:STDOUT:     %.loc9_32.1: type = value_of_initializer %int.make_type_32 [template = i32]
    206. 

  206. // CHECK:STDOUT:     %.loc9_32.2: type = converted %int.make_type_32, %.loc9_32.1 [template = i32]
    207. 

  207. // CHECK:STDOUT:     @InitFromStructSpecific.%return: ref i32 = var <return slot>
    208. 

  208. // CHECK:STDOUT:   }
    209. 

  209. // CHECK:STDOUT: }
    210. 

  210. // CHECK:STDOUT:
    211. 

  211. // CHECK:STDOUT: generic class @Class(file.%T.loc4_13.2: type) {
    212. 

  212. // CHECK:STDOUT:   %T: type = bind_symbolic_name T 0 [symbolic = %T (constants.%T)]
    213. 

  213. // CHECK:STDOUT:
    214. 

  214. // CHECK:STDOUT: !definition:
    215. 

  215. // CHECK:STDOUT:   %Class: type = class_type @Class, @Class(%T) [symbolic = %Class (constants.%Class.2)]
    216. 

  216. // CHECK:STDOUT:   %.1: type = unbound_element_type @Class.%Class (%Class.2), @Class.%T (%T) [symbolic = %.1 (constants.%.2)]
    217. 

  217. // CHECK:STDOUT:
    218. 

  218. // CHECK:STDOUT:   class {
    219. 

  219. // CHECK:STDOUT:     %T.ref: type = name_ref T, file.%T.loc4_13.2 [symbolic = %T (constants.%T)]
    220. 

  220. // CHECK:STDOUT:     %.loc5: @Class.%.1 (%.2) = field_decl k, element0 [template]
    221. 

  221. // CHECK:STDOUT:
    222. 

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

  223. // CHECK:STDOUT:     .Self = constants.%Class.2
    224. 

  224. // CHECK:STDOUT:     .k = %.loc5
    225. 

  225. // CHECK:STDOUT:   }
    226. 

  226. // CHECK:STDOUT: }
    227. 

  227. // CHECK:STDOUT:
    228. 

  228. // CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
    229. 

  229. // CHECK:STDOUT:
    230. 

  230. // CHECK:STDOUT: fn @InitFromStructSpecific() -> i32 {
    231. 

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

  232. // CHECK:STDOUT:   %Class.ref: %Class.type = name_ref Class, file.%Class.decl [template = constants.%Class.1]
    233. 

  233. // CHECK:STDOUT:   %int.make_type_32: init type = call constants.%Int32() [template = i32]
    234. 

  234. // CHECK:STDOUT:   %.loc13_15.1: type = value_of_initializer %int.make_type_32 [template = i32]
    235. 

  235. // CHECK:STDOUT:   %.loc13_15.2: type = converted %int.make_type_32, %.loc13_15.1 [template = i32]
    236. 

  236. // CHECK:STDOUT:   %.loc13_15.3: init type = call %Class.ref(%.loc13_15.2) [template = constants.%Class.3]
    237. 

  237. // CHECK:STDOUT:   %.loc13_19.1: type = value_of_initializer %.loc13_15.3 [template = constants.%Class.3]
    238. 

  238. // CHECK:STDOUT:   %.loc13_19.2: type = converted %.loc13_15.3, %.loc13_19.1 [template = constants.%Class.3]
    239. 

  239. // CHECK:STDOUT:   %v.var: ref %Class.3 = var v
    240. 

  240. // CHECK:STDOUT:   %v: ref %Class.3 = bind_name v, %v.var
    241. 

  241. // CHECK:STDOUT:   %.loc13_29: i32 = int_literal 0 [template = constants.%.6]
    242. 

  242. // CHECK:STDOUT:   %.loc13_30: %.7 = struct_literal (%.loc13_29)
    243. 

  243. // CHECK:STDOUT:   assign %v.var, <error>
    244. 

  244. // CHECK:STDOUT:   %v.ref: ref %Class.3 = name_ref v, %v
    245. 

  245. // CHECK:STDOUT:   %k.ref: %.4 = name_ref k, @Class.%.loc5 [template = @Class.%.loc5]
    246. 

  246. // CHECK:STDOUT:   %.loc14_11.1: ref i32 = class_element_access %v.ref, element0
    247. 

  247. // CHECK:STDOUT:   %.loc14_11.2: i32 = bind_value %.loc14_11.1
    248. 

  248. // CHECK:STDOUT:   return %.loc14_11.2
    249. 

  249. // CHECK:STDOUT: }
    250. 

  250. // CHECK:STDOUT:
    251. 

  251. // CHECK:STDOUT: specific @Class(constants.%T) {
    252. 

  252. // CHECK:STDOUT:   %T => constants.%T
    253. 

  253. // CHECK:STDOUT: }
    254. 

  254. // CHECK:STDOUT:
    255. 

  255. // CHECK:STDOUT: specific @Class(@Class.%T) {
    256. 

  256. // CHECK:STDOUT:   %T => constants.%T
    257. 

  257. // CHECK:STDOUT: }
    258. 

  258. // CHECK:STDOUT:
    259. 

  259. // CHECK:STDOUT: specific @Class(i32) {
    260. 

  260. // CHECK:STDOUT:   %T => i32
    261. 

  261. // CHECK:STDOUT:
    262. 

  262. // CHECK:STDOUT: !definition:
    263. 

  263. // CHECK:STDOUT:   %Class => constants.%Class.3
    264. 

  264. // CHECK:STDOUT:   %.1 => constants.%.4
    265. 

  265. // CHECK:STDOUT: }
    266. 

  266. // CHECK:STDOUT:
    267.