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