gcc/testsuite/gcc.dg/c23-labels-1.c

   1 /* Tests for labels before declarations and at ends of compound statements.  */
   2 /* { dg-do run } */
   3 /* { dg-options "-std=c23 -pedantic-errors" } */
   4
   5 int f(int x)
   6 {
   7         goto b;
   8         a: int i = 2 * x;
   9         aa: int u = 0; int v = 0;
  10            goto c;
  11         b: goto a;
  12         { i *= 3; c: }
  13         return i + u + v;
  14         d:
  15 }
  16
  17 int main(void)
  18 {
  19         if (2 != f(1))
  20                 __builtin_abort();
  21
  22         return 0;
  23 }