gcc/testsuite/gcc.dg/torture/pr36373-5.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fno-tree-sra" } */
   3
   4 extern void abort (void);
   5 struct Foo {
   6     int *p;
   7     int *q;
   8 };
   9 struct Foo __attribute__((noinline))
  10 bar(int *p)
  11 {
  12   struct Foo f;
  13   f.p = p;
  14   return f;
  15 }
  16 void __attribute__((noinline))
  17 foo(struct Foo f)
  18 {
  19   *f.p = 0;
  20 }
  21 int main()
  22 {
  23   int a, b;
  24   a = 0;
  25   b = 1;
  26   struct Foo f;
  27   f = bar (&b);
  28   f.q = &a;
  29   foo(f);
  30   if (b != 0)
  31     abort ();
  32   return 0;
  33 }
  34