gcc/testsuite/gcc.dg/tree-ssa/pr26421.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3
   4 typedef struct {
   5   int i;
   6   int j;
   7   int k;
   8 } Foo;
   9
  10 void bar(Foo*);
  11 int foo(void)
  12 {
  13   Foo a;
  14   a.i = 1;
  15   bar(&a);
  16   return a.i;
  17 }
  18
  19 /* Verify the call clobbers all of a.  */
  20
  21 /* { dg-final { scan-tree-dump-not "return 1;" "optimized" } } */