--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gcc/testsuite/gcc.dg/cpp/pr20356.h Fri Oct 27 22:46:09 2017 +0900 @@ -0,0 +1,5 @@ +#ifndef PR20356_H +# define PR20356_H +#else +# include_next <pr20356.h> +#endif