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

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