gcc/testsuite/gcc.dg/vla-3.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-std=gnu99" } */
   3 /* { dg-require-effective-target alloca } */
   4
   5 /* This used to crash as we did not preserve the correct type
   6    for __SIZE_TYPE__. See PR22439. */
   7
   8 char foo(__SIZE_TYPE__ n)
   9 {
  10     char c[1][n];
  11     return c[0][0];
  12 }