gcc/testsuite/gcc.dg/tree-ssa/pr24117.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 void link_error (void);
   5
   6 typedef struct  {
   7   int x;
   8   int z;
   9 } Foo_t;
  10
  11 char *xm;
  12 void bar(void);
  13
  14 void foo(void)
  15 {
  16   Foo_t x;
  17   x.x = 1;
  18   x.z = 2;
  19   xm = (char *)&x;
  20   bar();
  21   /* We can't propagate x.z past bar, so this link_error should still be there.  */
  22   if (x.z != 2)
  23     link_error ();
  24 }
  25 /* { dg-final { scan-tree-dump-times "link_error" 1 "optimized"} } */