gcc/testsuite/gcc.dg/c99-static-assert-2.c

   1 /* Test static assertions.  Omitting the string should not result in a
   2    duplicate diagnostic in pre-C11 modes.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-std=c99 -pedantic" } */
   5
   6 _Static_assert (1); /* { dg-warning "ISO C99 does not support '_Static_assert'" } */