[thirdparty/gcc.git] / gcc / testsuite / g++.dg / cpp2a / feat-cxx2a.C

// { dg-options "-std=c++2a -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" }

//  C++98 features:

#ifndef __cpp_rtti
#  error "__cpp_rtti"
#elif  __cpp_rtti != 199711
#  error "__cpp_rtti != 199711"
#endif

#ifndef __cpp_exceptions
#  error "__cpp_exceptions"
#elif  __cpp_exceptions != 199711
#  error "__cpp_exceptions != 199711"
#endif

//  C++11 features:

#ifndef __cpp_raw_strings
#  error "__cpp_raw_strings"
#elif __cpp_raw_strings != 200710
#  error "__cpp_raw_strings != 200710"
#endif

#ifndef __cpp_unicode_literals
#  error "__cpp_unicode_literals"
#elif __cpp_unicode_literals != 200710
#  error "__cpp_unicode_literals != 200710"
#endif

#ifndef __cpp_user_defined_literals
#  error "__cpp_user_defined_literals"
#elif __cpp_user_defined_literals != 200809
#  error "__cpp_user_defined_literals != 200809"
#endif

#ifndef __cpp_lambdas
#  error "__cpp_lambdas"
#elif __cpp_lambdas != 200907
#  error "__cpp_lambdas != 200907"
#endif

#ifndef __cpp_range_based_for
#  error "__cpp_range_based_for"
#elif __cpp_range_based_for != 201603
#  error "__cpp_range_based_for != 201603"
#endif

#ifndef __cpp_decltype
#  error "__cpp_decltype"
#elif __cpp_decltype != 200707
#  error "__cpp_decltype != 200707"
#endif

#ifndef __cpp_attributes
#  error "__cpp_attributes"
#elif __cpp_attributes != 200809
#  error "__cpp_attributes != 200809"
#endif

#ifndef __cpp_rvalue_references
#  error "__cpp_rvalue_references"
#elif __cpp_rvalue_references != 200610
#  error "__cpp_rvalue_references != 200610"
#endif

#ifndef __cpp_variadic_templates
#  error "__cpp_variadic_templates"
#elif __cpp_variadic_templates != 200704
#  error "__cpp_variadic_templates != 200704"
#endif

#ifndef __cpp_initializer_lists
#  error "__cpp_initializer_lists"
#elif __cpp_initializer_lists != 200806
#  error "__cpp_initializer_lists != 200806"
#endif

#ifndef __cpp_delegating_constructors
#  error "__cpp_delegating_constructors"
#elif __cpp_delegating_constructors != 200604
#  error "__cpp_delegating_constructors != 200604"
#endif

#ifndef __cpp_nsdmi
#  error "__cpp_nsdmi"
#elif __cpp_nsdmi != 200809
#  error "__cpp_nsdmi != 200809"
#endif

#ifndef __cpp_inheriting_constructors
#  error "__cpp_inheriting_constructors"
#elif  __cpp_inheriting_constructors!= 201511
#  error "__cpp_inheriting_constructors != 201511"
#endif

#ifndef __cpp_ref_qualifiers
#  error "__cpp_ref_qualifiers"
#elif __cpp_ref_qualifiers != 200710
#  error "__cpp_ref_qualifiers != 200710"
#endif

#ifndef __cpp_alias_templates
#  error "__cpp_alias_templates"
#elif __cpp_alias_templates != 200704
#  error "__cpp_alias_templates != 200704"
#endif

#ifndef __cpp_threadsafe_static_init
#  error "__cpp_threadsafe_static_init"
#elif __cpp_threadsafe_static_init != 200806
#  error "__cpp_threadsafe_static_init != 200806"
#endif

//  C++14 features:

#ifndef __cpp_binary_literals
#  error "__cpp_binary_literals"
#elif __cpp_binary_literals != 201304
#  error "__cpp_binary_literals != 201304"
#endif

#ifndef __cpp_init_captures
#  error "__cpp_init_captures"
#elif __cpp_init_captures != 201304
#  error "__cpp_init_captures != 201304"
#endif

#ifndef __cpp_generic_lambdas
#  error "__cpp_generic_lambdas"
#elif __cpp_generic_lambdas != 201304
#  error "__cpp_generic_lambdas != 201304"
#endif

#ifndef __cpp_constexpr
#  error "__cpp_constexpr"
#elif __cpp_constexpr != 201603
#  error "__cpp_constexpr != 201603"
#endif

#ifndef __cpp_decltype_auto
#  error "__cpp_decltype_auto"
#elif __cpp_decltype_auto != 201304
#  error "__cpp_decltype_auto != 201304"
#endif

#ifndef __cpp_return_type_deduction
#  error "__cpp_return_type_deduction"
#elif __cpp_return_type_deduction != 201304
#  error "__cpp_return_type_deduction != 201304"
#endif

#ifndef __cpp_aggregate_nsdmi
#  error "__cpp_aggregate_nsdmi"
#elif __cpp_aggregate_nsdmi != 201304
#  error "__cpp_aggregate_nsdmi != 201304"
#endif

#ifndef __cpp_variable_templates
#  error "__cpp_variable_templates"
#elif __cpp_variable_templates != 201304
#  error "__cpp_variable_templates != 201304"
#endif

#ifndef __cpp_digit_separators
#  error "__cpp_digit_separators"
#elif __cpp_digit_separators != 201309
#  error "__cpp_digit_separators != 201309"
#endif

#ifndef __cpp_sized_deallocation
#  error "__cpp_sized_deallocation"
#elif __cpp_sized_deallocation != 201309
#  error "__cpp_sized_deallocation != 201309"
#endif

//  GNU VLA support:

#ifndef __cpp_runtime_arrays
#  error "__cpp_runtime_arrays"
#elif __cpp_runtime_arrays != 198712
#  error "__cpp_runtime_arrays != 198712"
#endif

//  C++11 attributes:

#ifdef __has_cpp_attribute
#  if ! __has_cpp_attribute(noreturn)
#    error "__has_cpp_attribute(noreturn)"
#  elif __has_cpp_attribute(noreturn) != 200809
#    error "__has_cpp_attribute(noreturn) != 200809"
#  endif
#else
#  error "__has_cpp_attribute"
#endif

//  Attribute carries_dependency not in yet.
//#ifdef __has_cpp_attribute
//#  if ! __has_cpp_attribute(carries_dependency)
//#    error "__has_cpp_attribute(carries_dependency)"
//#  elif __has_cpp_attribute(carries_dependency) != 200809
//#    error "__has_cpp_attribute(carries_dependency) != 200809"
//#  endif
//#else
//#  error "__has_cpp_attribute"
//#endif

//  C++14 attributes:

#ifdef __has_cpp_attribute
#  if ! __has_cpp_attribute(deprecated)
#    error "__has_cpp_attribute(deprecated)"
#  elif __has_cpp_attribute(deprecated) != 201309
#    error "__has_cpp_attribute(deprecated) != 201309"
#  endif
#else
#  error "__has_cpp_attribute"
#endif

//  Include checks:

//  Check for __has_include macro.
#ifndef __has_include
#  error "__has_include"
#endif

//  Quoted complex.h should find at least the bracket version (use operator).
#if __has_include__ "complex.h"
#else
#  error "complex.h"
#endif

//  Try known bracket header (use operator).
#if __has_include__(<complex>)
#else
#  error "<complex>"
#endif

//  Define and use a macro to invoke the operator.
#define sluggo(TXT) __has_include__(TXT)

#if sluggo(<complex>)
#else
#  error "<complex>"
#endif

#if ! sluggo(<complex>)
#  error "<complex>"
#else
#endif

//  Quoted complex.h should find at least the bracket version.
#if __has_include("complex.h")
#else
#  error "complex.h"
#endif

//  Try known local quote header.
#if __has_include("complex_literals.h")
#else
#  error "\"complex_literals.h\""
#endif

//  Try nonexistent bracket header.
#if __has_include(<stuff>)
#  error "<stuff>"
#else
#endif

//  Try nonexistent quote header.
#if __has_include("phlegm")
#  error "\"phlegm\""
#else
#endif

//  Test __has_include_next.
#if __has_include("phoobhar.h")
#  include "phoobhar.h"
#else
#  error "__has_include(\"phoobhar.h\")"
#endif

//  Try a macro.
#define COMPLEX_INC "complex.h"
#if __has_include(COMPLEX_INC)
#else
#  error COMPLEX_INC
#endif

//  Realistic use of __has_include.
#if __has_include(<array>)
#  define STD_ARRAY 1
#  include <array>
  template<typename _Tp, size_t _Num>
    using array = std::array<_Tp, _Num>;
#elif __has_include(<tr1/array>)
#  define TR1_ARRAY 1
#  include <tr1/array>
  template<typename _Tp, size_t _Num>
    typedef std::tr1::array<_Tp, _Num> array;
#endif

// C++17 features:

#ifndef __cpp_unicode_characters
#  error "__cpp_unicode_characters"
#elif __cpp_unicode_characters != 201411
#  error "__cpp_unicode_characters != 201411"
#endif

#ifndef __cpp_static_assert
#  error "__cpp_static_assert"
#elif __cpp_static_assert != 201411
#  error "__cpp_static_assert != 201411"
#endif

#ifndef __cpp_namespace_attributes
#  error "__cpp_namespace_attributes"
#elif __cpp_namespace_attributes != 201411
#  error "__cpp_namespace_attributes != 201411"
#endif

#ifndef __cpp_enumerator_attributes
#  error "__cpp_enumerator_attributes"
#elif __cpp_enumerator_attributes != 201411
#  error "__cpp_enumerator_attributes != 201411"
#endif

#ifndef __cpp_nested_namespace_definitions
#  error "__cpp_nested_namespace_definitions"
#elif __cpp_nested_namespace_definitions != 201411
#  error "__cpp_nested_namespace_definitions != 201411"
#endif

#ifndef __cpp_fold_expressions
#  error "__cpp_fold_expressions"
#elif __cpp_fold_expressions != 201603
#  error "__cpp_fold_expressions != 201603"
#endif

#ifndef __cpp_nontype_template_args
#  error "__cpp_nontype_template_args"
#elif __cpp_nontype_template_args != 201411
#  error "__cpp_nontype_template_args != 201411"
#endif

#ifndef __cpp_hex_float
#  error "__cpp_hex_float"
#elif __cpp_hex_float != 201603
#  error "__cpp_hex_float != 201603"
#endif

#ifndef __cpp_aggregate_bases
#  error "__cpp_aggregate_bases"
#elif __cpp_aggregate_bases != 201603
#  error "__cpp_aggregate_bases != 201603"
#endif

#ifndef __cpp_deduction_guides
#  error "__cpp_deduction_guides"
#elif __cpp_deduction_guides != 201703
#  error "__cpp_deduction_guides != 201703"
#endif

#ifndef __cpp_if_constexpr
#  error "__cpp_if_constexpr"
#elif __cpp_if_constexpr != 201606
#  error "__cpp_if_constexpr != 201606"
#endif

#ifndef __cpp_aligned_new
#  error "__cpp_aligned_new"
#elif __cpp_aligned_new != 201606
#  error "__cpp_aligned_new != 201606"
#endif

#ifndef __cpp_template_auto
#  error "__cpp_template_auto"
#elif __cpp_template_auto != 201606
#  error "__cpp_template_auto != 201606"
#endif

#ifndef __cpp_inline_variables
#  error "__cpp_inline_variables"
#elif __cpp_inline_variables != 201606
#  error "__cpp_inline_variables != 201606"
#endif

#ifndef __cpp_capture_star_this
#  error "__cpp_capture_star_this"
#elif __cpp_capture_star_this != 201603
#  error "__cpp_capture_star_this != 201603"
#endif

#ifndef __cpp_noexcept_function_type
#  error "__cpp_noexcept_function_type"
#elif __cpp_noexcept_function_type != 201510
#  error "__cpp_noexcept_function_type != 201510"
#endif

#ifndef __cpp_structured_bindings
#  error "__cpp_structured_bindings"
#elif __cpp_structured_bindings != 201606
#  error "__cpp_structured_bindings != 201606"
#endif

#ifndef __cpp_template_template_args
#  error "__cpp_template_template_args"
#elif __cpp_template_template_args != 201611
#  error "__cpp_template_template_args != 201611"
#endif

#ifndef __cpp_variadic_using
#  error "__cpp_variadic_using"
#elif __cpp_variadic_using != 201611
#  error "__cpp_variadic_using != 201611"
#endif

// C++20 features

#if __cpp_conditional_explicit != 201806
# error "__cpp_conditional_explicit != 201806"
#endif

#if __cpp_nontype_template_parameter_class != 201806
# error "__cpp_nontype_template_parameter_class != 201806"
#endif

#if __cpp_impl_destroying_delete != 201806
# error "__cpp_impl_destroying_delete != 201806"
#endif

#ifdef __has_cpp_attribute

#  if ! __has_cpp_attribute(maybe_unused)
#    error "__has_cpp_attribute(maybe_unused)"
#  elif __has_cpp_attribute(maybe_unused) != 201603
#    error "__has_cpp_attribute(maybe_unused) != 201603"
#  endif

#  if ! __has_cpp_attribute(nodiscard)
#    error "__has_cpp_attribute(nodiscard)"
#  elif __has_cpp_attribute(nodiscard) != 201603
#    error "__has_cpp_attribute(nodiscard) != 201603"
#  endif

#  if ! __has_cpp_attribute(fallthrough)
#    error "__has_cpp_attribute(fallthrough)"
#  elif __has_cpp_attribute(fallthrough) != 201603
#    error "__has_cpp_attribute(fallthrough) != 201603"
#  endif

#  if ! __has_cpp_attribute(no_unique_address)
#    error "__has_cpp_attribute(no_unique_address)"
#  elif __has_cpp_attribute(no_unique_address) != 201803
#    error "__has_cpp_attribute(no_unique_address) != 201803"
#  endif

#  if ! __has_cpp_attribute(likely)
#    error "__has_cpp_attribute(likely)"
#  elif __has_cpp_attribute(likely) != 201803
#    error "__has_cpp_attribute(likely) != 201803"
#  endif

#  if ! __has_cpp_attribute(unlikely)
#    error "__has_cpp_attribute(unlikely)"
#  elif __has_cpp_attribute(unlikely) != 201803
#    error "__has_cpp_attribute(unlikely) != 201803"
#  endif

#else
#  error "__has_cpp_attribute"
#endif
Commit	Line	Data
37c22fd1	1	// { dg-options "-std=c++2a -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" }
	2
	3	// C++98 features:
	4
	5	#ifndef __cpp_rtti
	6	# error "__cpp_rtti"
	7	#elif __cpp_rtti != 199711
	8	# error "__cpp_rtti != 199711"
	9	#endif
	10
	11	#ifndef __cpp_exceptions
	12	# error "__cpp_exceptions"
	13	#elif __cpp_exceptions != 199711
	14	# error "__cpp_exceptions != 199711"
	15	#endif
	16
	17	// C++11 features:
	18
	19	#ifndef __cpp_raw_strings
	20	# error "__cpp_raw_strings"
	21	#elif __cpp_raw_strings != 200710
	22	# error "__cpp_raw_strings != 200710"
	23	#endif
	24
	25	#ifndef __cpp_unicode_literals
	26	# error "__cpp_unicode_literals"
	27	#elif __cpp_unicode_literals != 200710
	28	# error "__cpp_unicode_literals != 200710"
	29	#endif
	30
	31	#ifndef __cpp_user_defined_literals
	32	# error "__cpp_user_defined_literals"
	33	#elif __cpp_user_defined_literals != 200809
	34	# error "__cpp_user_defined_literals != 200809"
	35	#endif
	36
	37	#ifndef __cpp_lambdas
	38	# error "__cpp_lambdas"
	39	#elif __cpp_lambdas != 200907
	40	# error "__cpp_lambdas != 200907"
	41	#endif
	42
	43	#ifndef __cpp_range_based_for
	44	# error "__cpp_range_based_for"
	45	#elif __cpp_range_based_for != 201603
	46	# error "__cpp_range_based_for != 201603"
	47	#endif
	48
	49	#ifndef __cpp_decltype
	50	# error "__cpp_decltype"
	51	#elif __cpp_decltype != 200707
	52	# error "__cpp_decltype != 200707"
	53	#endif
	54
	55	#ifndef __cpp_attributes
	56	# error "__cpp_attributes"
	57	#elif __cpp_attributes != 200809
	58	# error "__cpp_attributes != 200809"
	59	#endif
	60
	61	#ifndef __cpp_rvalue_references
	62	# error "__cpp_rvalue_references"
	63	#elif __cpp_rvalue_references != 200610
	64	# error "__cpp_rvalue_references != 200610"
65	#endif
66
67	#ifndef __cpp_variadic_templates
68	# error "__cpp_variadic_templates"
69	#elif __cpp_variadic_templates != 200704
70	# error "__cpp_variadic_templates != 200704"
71	#endif
72
73	#ifndef __cpp_initializer_lists
74	# error "__cpp_initializer_lists"
75	#elif __cpp_initializer_lists != 200806
76	# error "__cpp_initializer_lists != 200806"
77	#endif
78
79	#ifndef __cpp_delegating_constructors
80	# error "__cpp_delegating_constructors"
81	#elif __cpp_delegating_constructors != 200604
82	# error "__cpp_delegating_constructors != 200604"
83	#endif
84
85	#ifndef __cpp_nsdmi
86	# error "__cpp_nsdmi"
87	#elif __cpp_nsdmi != 200809
88	# error "__cpp_nsdmi != 200809"
89	#endif
90
91	#ifndef __cpp_inheriting_constructors
92	# error "__cpp_inheriting_constructors"
93	#elif __cpp_inheriting_constructors!= 201511
94	# error "__cpp_inheriting_constructors != 201511"
95	#endif
96
97	#ifndef __cpp_ref_qualifiers
98	# error "__cpp_ref_qualifiers"
99	#elif __cpp_ref_qualifiers != 200710
100	# error "__cpp_ref_qualifiers != 200710"
101	#endif
102
103	#ifndef __cpp_alias_templates
104	# error "__cpp_alias_templates"
105	#elif __cpp_alias_templates != 200704
106	# error "__cpp_alias_templates != 200704"
107	#endif
108
109	#ifndef __cpp_threadsafe_static_init
110	# error "__cpp_threadsafe_static_init"
111	#elif __cpp_threadsafe_static_init != 200806
112	# error "__cpp_threadsafe_static_init != 200806"
113	#endif
114
115	// C++14 features:
116
117	#ifndef __cpp_binary_literals
118	# error "__cpp_binary_literals"
119	#elif __cpp_binary_literals != 201304
120	# error "__cpp_binary_literals != 201304"
121	#endif
122
123	#ifndef __cpp_init_captures
124	# error "__cpp_init_captures"
125	#elif __cpp_init_captures != 201304
126	# error "__cpp_init_captures != 201304"
127	#endif
128
129	#ifndef __cpp_generic_lambdas
130	# error "__cpp_generic_lambdas"
131	#elif __cpp_generic_lambdas != 201304
132	# error "__cpp_generic_lambdas != 201304"
133	#endif
134
135	#ifndef __cpp_constexpr
136	# error "__cpp_constexpr"
137	#elif __cpp_constexpr != 201603
138	# error "__cpp_constexpr != 201603"
139	#endif
140
141	#ifndef __cpp_decltype_auto
142	# error "__cpp_decltype_auto"
143	#elif __cpp_decltype_auto != 201304
144	# error "__cpp_decltype_auto != 201304"
145	#endif
146
147	#ifndef __cpp_return_type_deduction
148	# error "__cpp_return_type_deduction"
149	#elif __cpp_return_type_deduction != 201304
150	# error "__cpp_return_type_deduction != 201304"
151	#endif
152
153	#ifndef __cpp_aggregate_nsdmi
154	# error "__cpp_aggregate_nsdmi"
155	#elif __cpp_aggregate_nsdmi != 201304
156	# error "__cpp_aggregate_nsdmi != 201304"
157	#endif
158
159	#ifndef __cpp_variable_templates
160	# error "__cpp_variable_templates"
161	#elif __cpp_variable_templates != 201304
162	# error "__cpp_variable_templates != 201304"
163	#endif
164
165	#ifndef __cpp_digit_separators
166	# error "__cpp_digit_separators"
167	#elif __cpp_digit_separators != 201309
168	# error "__cpp_digit_separators != 201309"
169	#endif
170
171	#ifndef __cpp_sized_deallocation
172	# error "__cpp_sized_deallocation"
173	#elif __cpp_sized_deallocation != 201309
174	# error "__cpp_sized_deallocation != 201309"
175	#endif
176
177	// GNU VLA support:
178
179	#ifndef __cpp_runtime_arrays
180	# error "__cpp_runtime_arrays"
181	#elif __cpp_runtime_arrays != 198712
182	# error "__cpp_runtime_arrays != 198712"
183	#endif
184
185	// C++11 attributes:
186
187	#ifdef __has_cpp_attribute
188	# if ! __has_cpp_attribute(noreturn)
189	# error "__has_cpp_attribute(noreturn)"
190	# elif __has_cpp_attribute(noreturn) != 200809
191	# error "__has_cpp_attribute(noreturn) != 200809"
192	# endif
193	#else
194	# error "__has_cpp_attribute"
195	#endif
196
197	// Attribute carries_dependency not in yet.
198	//#ifdef __has_cpp_attribute
199	//# if ! __has_cpp_attribute(carries_dependency)
200	//# error "__has_cpp_attribute(carries_dependency)"
201	//# elif __has_cpp_attribute(carries_dependency) != 200809
202	//# error "__has_cpp_attribute(carries_dependency) != 200809"
203	//# endif
204	//#else
205	//# error "__has_cpp_attribute"
206	//#endif
207
208	// C++14 attributes:
209
210	#ifdef __has_cpp_attribute
211	# if ! __has_cpp_attribute(deprecated)
212	# error "__has_cpp_attribute(deprecated)"
213	# elif __has_cpp_attribute(deprecated) != 201309
214	# error "__has_cpp_attribute(deprecated) != 201309"
215	# endif
216	#else
217	# error "__has_cpp_attribute"
218	#endif
219
220	// Include checks:
221
222	// Check for __has_include macro.
223	#ifndef __has_include
224	# error "__has_include"
225	#endif
226
227	// Quoted complex.h should find at least the bracket version (use operator).
228	#if __has_include__ "complex.h"
229	#else
230	# error "complex.h"
231	#endif
232
233	// Try known bracket header (use operator).
234	#if __has_include__(<complex>)
235	#else
236	# error "<complex>"
237	#endif
238
239	// Define and use a macro to invoke the operator.
240	#define sluggo(TXT) __has_include__(TXT)
241
242	#if sluggo(<complex>)
243	#else
244	# error "<complex>"
245	#endif
246
247	#if ! sluggo(<complex>)
248	# error "<complex>"
249	#else
250	#endif
251
252	// Quoted complex.h should find at least the bracket version.
253	#if __has_include("complex.h")
254	#else
255	# error "complex.h"
256	#endif
257
258	// Try known local quote header.
259	#if __has_include("complex_literals.h")
260	#else
261	# error "\"complex_literals.h\""
262	#endif
263
264	// Try nonexistent bracket header.
265	#if __has_include(<stuff>)
266	# error "<stuff>"
267	#else
268	#endif
269
270	// Try nonexistent quote header.
271	#if __has_include("phlegm")
272	# error "\"phlegm\""
273	#else
274	#endif
275
276	// Test __has_include_next.
277	#if __has_include("phoobhar.h")
278	# include "phoobhar.h"
279	#else
280	# error "__has_include(\"phoobhar.h\")"
281	#endif
282
283	// Try a macro.
284	#define COMPLEX_INC "complex.h"
285	#if __has_include(COMPLEX_INC)
286	#else
287	# error COMPLEX_INC
288	#endif
289
290	// Realistic use of __has_include.
291	#if __has_include(<array>)
292	# define STD_ARRAY 1
293	# include <array>
294	template<typename _Tp, size_t _Num>
295	using array = std::array<_Tp, _Num>;
296	#elif __has_include(<tr1/array>)
297	# define TR1_ARRAY 1
298	# include <tr1/array>
299	template<typename _Tp, size_t _Num>
300	typedef std::tr1::array<_Tp, _Num> array;
301	#endif
302
303	// C++17 features:
304
305	#ifndef __cpp_unicode_characters
306	# error "__cpp_unicode_characters"
307	#elif __cpp_unicode_characters != 201411
308	# error "__cpp_unicode_characters != 201411"
309	#endif
310
311	#ifndef __cpp_static_assert
312	# error "__cpp_static_assert"
313	#elif __cpp_static_assert != 201411
314	# error "__cpp_static_assert != 201411"
315	#endif
316
317	#ifndef __cpp_namespace_attributes
318	# error "__cpp_namespace_attributes"
319	#elif __cpp_namespace_attributes != 201411
320	# error "__cpp_namespace_attributes != 201411"
321	#endif
322
323	#ifndef __cpp_enumerator_attributes
324	# error "__cpp_enumerator_attributes"
325	#elif __cpp_enumerator_attributes != 201411
326	# error "__cpp_enumerator_attributes != 201411"
327	#endif
328
329	#ifndef __cpp_nested_namespace_definitions
330	# error "__cpp_nested_namespace_definitions"
331	#elif __cpp_nested_namespace_definitions != 201411
332	# error "__cpp_nested_namespace_definitions != 201411"
333	#endif
334
335	#ifndef __cpp_fold_expressions
336	# error "__cpp_fold_expressions"
337	#elif __cpp_fold_expressions != 201603
338	# error "__cpp_fold_expressions != 201603"
339	#endif
340
341	#ifndef __cpp_nontype_template_args
342	# error "__cpp_nontype_template_args"
343	#elif __cpp_nontype_template_args != 201411
344	# error "__cpp_nontype_template_args != 201411"
345	#endif
346
347	#ifndef __cpp_hex_float
348	# error "__cpp_hex_float"
349	#elif __cpp_hex_float != 201603
350	# error "__cpp_hex_float != 201603"
351	#endif
352
353	#ifndef __cpp_aggregate_bases
354	# error "__cpp_aggregate_bases"
355	#elif __cpp_aggregate_bases != 201603
356	# error "__cpp_aggregate_bases != 201603"
357	#endif
358
359	#ifndef __cpp_deduction_guides
360	# error "__cpp_deduction_guides"
361	#elif __cpp_deduction_guides != 201703
362	# error "__cpp_deduction_guides != 201703"
363	#endif
364
365	#ifndef __cpp_if_constexpr
366	# error "__cpp_if_constexpr"
367	#elif __cpp_if_constexpr != 201606
368	# error "__cpp_if_constexpr != 201606"
369	#endif
370
371	#ifndef __cpp_aligned_new
372	# error "__cpp_aligned_new"
373	#elif __cpp_aligned_new != 201606
374	# error "__cpp_aligned_new != 201606"
375	#endif
376
377	#ifndef __cpp_template_auto
378	# error "__cpp_template_auto"
379	#elif __cpp_template_auto != 201606
380	# error "__cpp_template_auto != 201606"
381	#endif
382
383	#ifndef __cpp_inline_variables
384	# error "__cpp_inline_variables"
385	#elif __cpp_inline_variables != 201606
386	# error "__cpp_inline_variables != 201606"
387	#endif
388
389	#ifndef __cpp_capture_star_this
390	# error "__cpp_capture_star_this"
391	#elif __cpp_capture_star_this != 201603
392	# error "__cpp_capture_star_this != 201603"
393	#endif
394
395	#ifndef __cpp_noexcept_function_type
396	# error "__cpp_noexcept_function_type"
397	#elif __cpp_noexcept_function_type != 201510
398	# error "__cpp_noexcept_function_type != 201510"
399	#endif
400
401	#ifndef __cpp_structured_bindings
402	# error "__cpp_structured_bindings"
403	#elif __cpp_structured_bindings != 201606
404	# error "__cpp_structured_bindings != 201606"
405	#endif
406
407	#ifndef __cpp_template_template_args
408	# error "__cpp_template_template_args"
409	#elif __cpp_template_template_args != 201611
410	# error "__cpp_template_template_args != 201611"
411	#endif
412
413	#ifndef __cpp_variadic_using
414	# error "__cpp_variadic_using"
415	#elif __cpp_variadic_using != 201611
416	# error "__cpp_variadic_using != 201611"
417	#endif
418
95f798aa	419	// C++20 features
95f798aa	420
2207ad3a	421	#if __cpp_conditional_explicit != 201806
	422	# error "__cpp_conditional_explicit != 201806"
	423	#endif
	424
95f798aa	425	#if __cpp_nontype_template_parameter_class != 201806
	426	# error "__cpp_nontype_template_parameter_class != 201806"
	427	#endif
	428
76b94d4b	429	#if __cpp_impl_destroying_delete != 201806
	430	# error "__cpp_impl_destroying_delete != 201806"
	431	#endif
	432
37c22fd1	433	#ifdef __has_cpp_attribute
	434
	435	# if ! __has_cpp_attribute(maybe_unused)
	436	# error "__has_cpp_attribute(maybe_unused)"
	437	# elif __has_cpp_attribute(maybe_unused) != 201603
	438	# error "__has_cpp_attribute(maybe_unused) != 201603"
	439	# endif
	440
	441	# if ! __has_cpp_attribute(nodiscard)
	442	# error "__has_cpp_attribute(nodiscard)"
	443	# elif __has_cpp_attribute(nodiscard) != 201603
	444	# error "__has_cpp_attribute(nodiscard) != 201603"
	445	# endif
	446
	447	# if ! __has_cpp_attribute(fallthrough)
	448	# error "__has_cpp_attribute(fallthrough)"
	449	# elif __has_cpp_attribute(fallthrough) != 201603
	450	# error "__has_cpp_attribute(fallthrough) != 201603"
	451	# endif
	452
	453	# if ! __has_cpp_attribute(no_unique_address)
	454	# error "__has_cpp_attribute(no_unique_address)"
	455	# elif __has_cpp_attribute(no_unique_address) != 201803
	456	# error "__has_cpp_attribute(no_unique_address) != 201803"
	457	# endif
	458
863c62e0	459	# if ! __has_cpp_attribute(likely)
	460	# error "__has_cpp_attribute(likely)"
	461	# elif __has_cpp_attribute(likely) != 201803
	462	# error "__has_cpp_attribute(likely) != 201803"
	463	# endif
	464
	465	# if ! __has_cpp_attribute(unlikely)
	466	# error "__has_cpp_attribute(unlikely)"
	467	# elif __has_cpp_attribute(unlikely) != 201803
	468	# error "__has_cpp_attribute(unlikely) != 201803"
	469	# endif
	470
37c22fd1	471	#else
	472	# error "__has_cpp_attribute"
	473	#endif