gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-14.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3 extern __SIZE_TYPE__ strlen (const char *) __attribute__ ((__pure__));
   4 extern void link_error (void);
   5
   6 void
   7 foo (const char *str)
   8 {
   9   __SIZE_TYPE__ a = strlen (str);
  10   __SIZE_TYPE__ b = strlen (str);
  11   if (a != b)
  12     link_error ();
  13 }
  14 /* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */