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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 b085cf92..e7f4c66 100644
--- a/gcc/c-family/c-cppbuiltin.c
+++ b/gcc/c-family/c-cppbuiltin.c
@@ -979,6 +979,7 @@ c_cpp_builtins (cpp_reader *pfile)
{
/* Set feature test macros for C++2a. */
cpp_define (pfile, "__cpp_explicit_bool=201806");
+ cpp_define (pfile, "__cpp_nontype_template_parameter_class=201806");
}
if (flag_concepts)
cpp_define (pfile, "__cpp_concepts=201507");