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* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_if_constexpr. 

From-SVN: r239340
This commit is contained in:
Jason Merrill 2016-08-10 18:38:34 -04:00 committed by Jason Merrill
parent 99f9d4b1b6
commit 452df4a4e6
3 changed files with 11 additions and 0 deletions
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4
gcc/c-family/ChangeLog
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@ -1,3 +1,7 @@
2016-08-10 Jason Merrill <jason@redhat.com>
* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_if_constexpr.
2016-08-09 Jason Merrill <jason@redhat.com>
* c-common.c (c_common_attribute_table): vector_size affects type

1
gcc/c-family/c-cppbuiltin.c
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@ -882,6 +882,7 @@ c_cpp_builtins (cpp_reader *pfile)
cpp_define (pfile, "__cpp_nontype_template_args=201411");
cpp_define (pfile, "__cpp_range_based_for=201603");
cpp_define (pfile, "__cpp_constexpr=201603");
cpp_define (pfile, "__cpp_if_constexpr=201606");
}
if (flag_concepts)
/* Use a value smaller than the 201507 specified in

6
gcc/testsuite/g++.dg/cpp1z/feat-cxx1z.C
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@ -344,6 +344,12 @@
# error "__cpp_hex_float != 201603"
#endif
#ifndef __cpp_if_constexpr
# error "__cpp_if_constexpr"
#elif __cpp_if_constexpr != 201606
# error "__cpp_if_constexpr != 201606"
#endif
#ifdef __has_cpp_attribute
# if ! __has_cpp_attribute(maybe_unused)