diff options
| author | Jason Merrill <jason@redhat.com> | 2020-11-13 14:15:46 -0500 |
|---|---|---|
| committer | Jason Merrill <jason@redhat.com> | 2020-11-13 16:34:06 -0500 |
| commit | d4a3152d3f3f62ccd614df5da6c3c0d2f6e5fa0d (patch) | |
| tree | cdde97bc21855d8130c93d95e643655f81fa298a | |
| parent | 1a90e99fa2f2423a195301adca060dccc3d0755e (diff) | |
| download | gcc-d4a3152d3f3f62ccd614df5da6c3c0d2f6e5fa0d.zip gcc-d4a3152d3f3f62ccd614df5da6c3c0d2f6e5fa0d.tar.gz gcc-d4a3152d3f3f62ccd614df5da6c3c0d2f6e5fa0d.tar.bz2 | |
c++: Add feature test macro for C++20 using enum.
Missing piece from the 'using enum' implementation patch.
gcc/c-family/ChangeLog:
* c-cppbuiltin.c (c_cpp_builtins): Define __cpp_using_enum.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/feat-cxx2a.C: Check it.
| -rw-r--r-- | gcc/c-family/c-cppbuiltin.c | 1 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C | 6 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/c-family/c-cppbuiltin.c b/gcc/c-family/c-cppbuiltin.c index 15f71e6..7229c59 100644 --- a/gcc/c-family/c-cppbuiltin.c +++ b/gcc/c-family/c-cppbuiltin.c @@ -1005,6 +1005,7 @@ c_cpp_builtins (cpp_reader *pfile) cpp_define (pfile, "__cpp_constexpr_dynamic_alloc=201907L"); cpp_define (pfile, "__cpp_impl_three_way_comparison=201907L"); cpp_define (pfile, "__cpp_aggregate_paren_init=201902L"); + cpp_define (pfile, "__cpp_using_enum=201907L"); } if (flag_concepts) { diff --git a/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C b/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C index 7f1fe34..dc46e48 100644 --- a/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C +++ b/gcc/testsuite/g++.dg/cpp2a/feat-cxx2a.C @@ -533,3 +533,9 @@ #elif __cpp_concepts != 201907 # error "__cpp_concepts != 201907" #endif + +#ifndef __cpp_using_enum +# error "__cpp_using_enum" +#elif __cpp_using_enum != 201907 +# error "__cpp_using_enum != 201907" +#endif |