--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/c-c++-common/pr90590-1.h Thu Feb 13 11:34:05 2020 +0900 @@ -0,0 +1,2 @@ +#pragma GCC system_header +enum E { _A, _B, _C };