gcc/testsuite/gcc.dg/Wc99-c11-compat-4.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=gnu99 -pedantic-errors -Wno-c99-c11-compat" } */
   3
   4 struct S { int i; struct { int a; }; };
   5 _Noreturn void foo (void);
   6 typedef int A;
   7 typedef int A;
   8 _Thread_local int i;
   9 _Static_assert (1, "foo");
  10 _Atomic int a;
  11 _Alignas (int) int aa;
  12 enum e { E = _Alignof (double) };
  13
  14 void
  15 fn (int n)
  16 {
  17   _Generic (n, int: 0);
  18 }