gcc/testsuite/gcc.dg/pr83552.c

   1 /* PR tree-optimization/83364 */
   2 /* { dg-options "-O2" } */
   3
   4 char *b;
   5 char d[100];
   6 void a ();
   7 void
   8 c (void)
   9 {
  10   __builtin_strcat (d, "12345");
  11   if (__builtin_strstr (b, d) == b)
  12     a ();
  13 }