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-rw-r--r--gcc/c-family/c-cppbuiltin.c1
1 files changed, 1 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)
{