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      1 // RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++11 %s -o - | FileCheck --check-prefix=CHECK-11 %s
      2 // RUN: %clang_cc1 -E -triple armv7-apple-darwin -std=c++11 %s -o - | FileCheck --check-prefix=CHECK-NO-TLS %s
      3 // RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++98 %s -o - | FileCheck --check-prefix=CHECK-NO-11 %s
      4 // RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++14 %s -o - | FileCheck --check-prefix=CHECK-14 %s
      5 // RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++1z %s -o - | FileCheck --check-prefix=CHECK-1Z %s
      6 
      7 #if __has_feature(cxx_atomic)
      8 int has_atomic();
      9 #else
     10 int no_atomic();
     11 #endif
     12 
     13 // CHECK-1Z: has_atomic
     14 // CHECK-14: has_atomic
     15 // CHECK-11: has_atomic
     16 // CHECK-NO-11: no_atomic
     17 
     18 #if __has_feature(cxx_lambdas)
     19 int has_lambdas();
     20 #else
     21 int no_lambdas();
     22 #endif
     23 
     24 // CHECK-1Z: has_lambdas
     25 // CHECK-14: has_lambdas
     26 // CHECK-11: has_lambdas
     27 // CHECK-NO-11: no_lambdas
     28 
     29 
     30 #if __has_feature(cxx_nullptr)
     31 int has_nullptr();
     32 #else
     33 int no_nullptr();
     34 #endif
     35 
     36 // CHECK-1Z: has_nullptr
     37 // CHECK-14: has_nullptr
     38 // CHECK-11: has_nullptr
     39 // CHECK-NO-11: no_nullptr
     40 
     41 
     42 #if __has_feature(cxx_decltype)
     43 int has_decltype();
     44 #else
     45 int no_decltype();
     46 #endif
     47 
     48 // CHECK-1Z: has_decltype
     49 // CHECK-14: has_decltype
     50 // CHECK-11: has_decltype
     51 // CHECK-NO-11: no_decltype
     52 
     53 
     54 #if __has_feature(cxx_decltype_incomplete_return_types)
     55 int has_decltype_incomplete_return_types();
     56 #else
     57 int no_decltype_incomplete_return_types();
     58 #endif
     59 
     60 // CHECK-1Z: has_decltype_incomplete_return_types
     61 // CHECK-14: has_decltype_incomplete_return_types
     62 // CHECK-11: has_decltype_incomplete_return_types
     63 // CHECK-NO-11: no_decltype_incomplete_return_types
     64 
     65 
     66 #if __has_feature(cxx_auto_type)
     67 int has_auto_type();
     68 #else
     69 int no_auto_type();
     70 #endif
     71 
     72 // CHECK-1Z: has_auto_type
     73 // CHECK-14: has_auto_type
     74 // CHECK-11: has_auto_type
     75 // CHECK-NO-11: no_auto_type
     76 
     77 
     78 #if __has_feature(cxx_trailing_return)
     79 int has_trailing_return();
     80 #else
     81 int no_trailing_return();
     82 #endif
     83 
     84 // CHECK-1Z: has_trailing_return
     85 // CHECK-14: has_trailing_return
     86 // CHECK-11: has_trailing_return
     87 // CHECK-NO-11: no_trailing_return
     88 
     89 
     90 #if __has_feature(cxx_attributes)
     91 int has_attributes();
     92 #else
     93 int no_attributes();
     94 #endif
     95 
     96 // CHECK-1Z: has_attributes
     97 // CHECK-14: has_attributes
     98 // CHECK-11: has_attributes
     99 // CHECK-NO-11: no_attributes
    100 
    101 
    102 #if __has_feature(cxx_static_assert)
    103 int has_static_assert();
    104 #else
    105 int no_static_assert();
    106 #endif
    107 
    108 // CHECK-1Z: has_static_assert
    109 // CHECK-14: has_static_assert
    110 // CHECK-11: has_static_assert
    111 // CHECK-NO-11: no_static_assert
    112 
    113 #if __has_feature(cxx_deleted_functions)
    114 int has_deleted_functions();
    115 #else
    116 int no_deleted_functions();
    117 #endif
    118 
    119 // CHECK-1Z: has_deleted_functions
    120 // CHECK-14: has_deleted_functions
    121 // CHECK-11: has_deleted_functions
    122 // CHECK-NO-11: no_deleted_functions
    123 
    124 #if __has_feature(cxx_defaulted_functions)
    125 int has_defaulted_functions();
    126 #else
    127 int no_defaulted_functions();
    128 #endif
    129 
    130 // CHECK-1Z: has_defaulted_functions
    131 // CHECK-14: has_defaulted_functions
    132 // CHECK-11: has_defaulted_functions
    133 // CHECK-NO-11: no_defaulted_functions
    134 
    135 #if __has_feature(cxx_rvalue_references)
    136 int has_rvalue_references();
    137 #else
    138 int no_rvalue_references();
    139 #endif
    140 
    141 // CHECK-1Z: has_rvalue_references
    142 // CHECK-14: has_rvalue_references
    143 // CHECK-11: has_rvalue_references
    144 // CHECK-NO-11: no_rvalue_references
    145 
    146 
    147 #if __has_feature(cxx_variadic_templates)
    148 int has_variadic_templates();
    149 #else
    150 int no_variadic_templates();
    151 #endif
    152 
    153 // CHECK-1Z: has_variadic_templates
    154 // CHECK-14: has_variadic_templates
    155 // CHECK-11: has_variadic_templates
    156 // CHECK-NO-11: no_variadic_templates
    157 
    158 
    159 #if __has_feature(cxx_inline_namespaces)
    160 int has_inline_namespaces();
    161 #else
    162 int no_inline_namespaces();
    163 #endif
    164 
    165 // CHECK-1Z: has_inline_namespaces
    166 // CHECK-14: has_inline_namespaces
    167 // CHECK-11: has_inline_namespaces
    168 // CHECK-NO-11: no_inline_namespaces
    169 
    170 
    171 #if __has_feature(cxx_range_for)
    172 int has_range_for();
    173 #else
    174 int no_range_for();
    175 #endif
    176 
    177 // CHECK-1Z: has_range_for
    178 // CHECK-14: has_range_for
    179 // CHECK-11: has_range_for
    180 // CHECK-NO-11: no_range_for
    181 
    182 
    183 #if __has_feature(cxx_reference_qualified_functions)
    184 int has_reference_qualified_functions();
    185 #else
    186 int no_reference_qualified_functions();
    187 #endif
    188 
    189 // CHECK-1Z: has_reference_qualified_functions
    190 // CHECK-14: has_reference_qualified_functions
    191 // CHECK-11: has_reference_qualified_functions
    192 // CHECK-NO-11: no_reference_qualified_functions
    193 
    194 #if __has_feature(cxx_default_function_template_args)
    195 int has_default_function_template_args();
    196 #else
    197 int no_default_function_template_args();
    198 #endif
    199 
    200 // CHECK-1Z: has_default_function_template_args
    201 // CHECK-14: has_default_function_template_args
    202 // CHECK-11: has_default_function_template_args
    203 // CHECK-NO-11: no_default_function_template_args
    204 
    205 #if __has_feature(cxx_noexcept)
    206 int has_noexcept();
    207 #else
    208 int no_noexcept();
    209 #endif
    210 
    211 // CHECK-1Z: has_noexcept
    212 // CHECK-14: has_noexcept
    213 // CHECK-11: has_noexcept
    214 // CHECK-NO-11: no_noexcept
    215 
    216 #if __has_feature(cxx_override_control)
    217 int has_override_control();
    218 #else
    219 int no_override_control();
    220 #endif
    221 
    222 // CHECK-1Z: has_override_control
    223 // CHECK-14: has_override_control
    224 // CHECK-11: has_override_control
    225 // CHECK-NO-11: no_override_control
    226 
    227 #if __has_feature(cxx_alias_templates)
    228 int has_alias_templates();
    229 #else
    230 int no_alias_templates();
    231 #endif
    232 
    233 // CHECK-1Z: has_alias_templates
    234 // CHECK-14: has_alias_templates
    235 // CHECK-11: has_alias_templates
    236 // CHECK-NO-11: no_alias_templates
    237 
    238 #if __has_feature(cxx_implicit_moves)
    239 int has_implicit_moves();
    240 #else
    241 int no_implicit_moves();
    242 #endif
    243 
    244 // CHECK-1Z: has_implicit_moves
    245 // CHECK-14: has_implicit_moves
    246 // CHECK-11: has_implicit_moves
    247 // CHECK-NO-11: no_implicit_moves
    248 
    249 #if __has_feature(cxx_alignas)
    250 int has_alignas();
    251 #else
    252 int no_alignas();
    253 #endif
    254 
    255 // CHECK-1Z: has_alignas
    256 // CHECK-14: has_alignas
    257 // CHECK-11: has_alignas
    258 // CHECK-NO-11: no_alignas
    259 
    260 #if __has_feature(cxx_alignof)
    261 int has_alignof();
    262 #else
    263 int no_alignof();
    264 #endif
    265 
    266 // CHECK-1Z: has_alignof
    267 // CHECK-14: has_alignof
    268 // CHECK-11: has_alignof
    269 // CHECK-NO-11: no_alignof
    270 
    271 #if __has_feature(cxx_raw_string_literals)
    272 int has_raw_string_literals();
    273 #else
    274 int no_raw_string_literals();
    275 #endif
    276 
    277 // CHECK-1Z: has_raw_string_literals
    278 // CHECK-14: has_raw_string_literals
    279 // CHECK-11: has_raw_string_literals
    280 // CHECK-NO-11: no_raw_string_literals
    281 
    282 #if __has_feature(cxx_unicode_literals)
    283 int has_unicode_literals();
    284 #else
    285 int no_unicode_literals();
    286 #endif
    287 
    288 // CHECK-1Z: has_unicode_literals
    289 // CHECK-14: has_unicode_literals
    290 // CHECK-11: has_unicode_literals
    291 // CHECK-NO-11: no_unicode_literals
    292 
    293 #if __has_feature(cxx_constexpr)
    294 int has_constexpr();
    295 #else
    296 int no_constexpr();
    297 #endif
    298 
    299 // CHECK-1Z: has_constexpr
    300 // CHECK-14: has_constexpr
    301 // CHECK-11: has_constexpr
    302 // CHECK-NO-11: no_constexpr
    303 
    304 #if __has_feature(cxx_generalized_initializers)
    305 int has_generalized_initializers();
    306 #else
    307 int no_generalized_initializers();
    308 #endif
    309 
    310 // CHECK-1Z: has_generalized_initializers
    311 // CHECK-14: has_generalized_initializers
    312 // CHECK-11: has_generalized_initializers
    313 // CHECK-NO-11: no_generalized_initializers
    314 
    315 #if __has_feature(cxx_unrestricted_unions)
    316 int has_unrestricted_unions();
    317 #else
    318 int no_unrestricted_unions();
    319 #endif
    320 
    321 // CHECK-1Z: has_unrestricted_unions
    322 // CHECK-14: has_unrestricted_unions
    323 // CHECK-11: has_unrestricted_unions
    324 // CHECK-NO-11: no_unrestricted_unions
    325 
    326 #if __has_feature(cxx_user_literals)
    327 int has_user_literals();
    328 #else
    329 int no_user_literals();
    330 #endif
    331 
    332 // CHECK-1Z: has_user_literals
    333 // CHECK-14: has_user_literals
    334 // CHECK-11: has_user_literals
    335 // CHECK-NO-11: no_user_literals
    336 
    337 #if __has_feature(cxx_local_type_template_args)
    338 int has_local_type_template_args();
    339 #else
    340 int no_local_type_template_args();
    341 #endif
    342 
    343 // CHECK-1Z: has_local_type_template_args
    344 // CHECK-14: has_local_type_template_args
    345 // CHECK-11: has_local_type_template_args
    346 // CHECK-NO-11: no_local_type_template_args
    347 
    348 #if __has_feature(cxx_inheriting_constructors)
    349 int has_inheriting_constructors();
    350 #else
    351 int no_inheriting_constructors();
    352 #endif
    353 
    354 // CHECK-1Z: has_inheriting_constructors
    355 // CHECK-14: has_inheriting_constructors
    356 // CHECK-11: has_inheriting_constructors
    357 // CHECK-NO-11: no_inheriting_constructors
    358 
    359 #if __has_feature(cxx_thread_local)
    360 int has_thread_local();
    361 #else
    362 int no_thread_local();
    363 #endif
    364 
    365 // CHECK-1Z: has_thread_local
    366 // CHECK-14: has_thread_local
    367 // CHECK-11: has_thread_local
    368 // CHECK-NO-11: no_thread_local
    369 // CHECK-NO-TLS: no_thread_local
    370 
    371 // === C++14 features ===
    372 
    373 #if __has_feature(cxx_binary_literals)
    374 int has_binary_literals();
    375 #else
    376 int no_binary_literals();
    377 #endif
    378 
    379 // CHECK-1Z: has_binary_literals
    380 // CHECK-14: has_binary_literals
    381 // CHECK-11: no_binary_literals
    382 // CHECK-NO-11: no_binary_literals
    383 
    384 #if __has_feature(cxx_aggregate_nsdmi)
    385 int has_aggregate_nsdmi();
    386 #else
    387 int no_aggregate_nsdmi();
    388 #endif
    389 
    390 // CHECK-1Z: has_aggregate_nsdmi
    391 // CHECK-14: has_aggregate_nsdmi
    392 // CHECK-11: no_aggregate_nsdmi
    393 // CHECK-NO-11: no_aggregate_nsdmi
    394 
    395 #if __has_feature(cxx_return_type_deduction)
    396 int has_return_type_deduction();
    397 #else
    398 int no_return_type_deduction();
    399 #endif
    400 
    401 // CHECK-1Z: has_return_type_deduction
    402 // CHECK-14: has_return_type_deduction
    403 // CHECK-11: no_return_type_deduction
    404 // CHECK-NO-11: no_return_type_deduction
    405 
    406 #if __has_feature(cxx_contextual_conversions)
    407 int has_contextual_conversions();
    408 #else
    409 int no_contextual_conversions();
    410 #endif
    411 
    412 // CHECK-1Z: has_contextual_conversions
    413 // CHECK-14: has_contextual_conversions
    414 // CHECK-11: no_contextual_conversions
    415 // CHECK-NO-11: no_contextual_conversions
    416 
    417 #if __has_feature(cxx_relaxed_constexpr)
    418 int has_relaxed_constexpr();
    419 #else
    420 int no_relaxed_constexpr();
    421 #endif
    422 
    423 // CHECK-1Z: has_relaxed_constexpr
    424 // CHECK-14: has_relaxed_constexpr
    425 // CHECK-11: no_relaxed_constexpr
    426 // CHECK-NO-11: no_relaxed_constexpr
    427 
    428 #if __has_feature(cxx_variable_templates)
    429 int has_variable_templates();
    430 #else
    431 int no_variable_templates();
    432 #endif
    433 
    434 // CHECK-1Z: has_variable_templates
    435 // CHECK-14: has_variable_templates
    436 // CHECK-11: no_variable_templates
    437 // CHECK-NO-11: no_variable_templates
    438 
    439 #if __has_feature(cxx_init_captures)
    440 int has_init_captures();
    441 #else
    442 int no_init_captures();
    443 #endif
    444 
    445 // CHECK-1Z: has_init_captures
    446 // CHECK-14: has_init_captures
    447 // CHECK-11: no_init_captures
    448 // CHECK-NO-11: no_init_captures
    449 
    450 #if __has_feature(cxx_decltype_auto)
    451 int has_decltype_auto();
    452 #else
    453 int no_decltype_auto();
    454 #endif
    455 
    456 // CHECK-1Z: has_decltype_auto
    457 // CHECK-14: has_decltype_auto
    458 // CHECK-11: no_decltype_auto
    459 // CHECK-NO-11: no_decltype_auto
    460 
    461 #if __has_feature(cxx_generic_lambdas)
    462 int has_generic_lambdas();
    463 #else
    464 int no_generic_lambdas();
    465 #endif
    466 
    467 // CHECK-1Z: has_generic_lambdas
    468 // CHECK-14: has_generic_lambdas
    469 // CHECK-11: no_generic_lambdas
    470 // CHECK-NO-11: no_generic_lambdas
    471