gcc/testsuite/gcc.dg/pr49120.c

   1 /* PR c/49120 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-Wall" } */
   4 /* { dg-require-effective-target alloca } */
   5
   6 int
   7 main ()
   8 {
   9   int a = 1;
  10   int c = ({ char b[a + 1]; b[0] = 0; b[0]; });
  11   return c;
  12 }