gcc/testsuite/gcc.dg/torture/pr36373-3.c

   1 /* { dg-do run } */
   2
   3 extern void abort (void);
   4 struct Foo {
   5     int *p;
   6 };
   7 struct Bar {
   8     struct Foo *x;
   9     int *q;
  10 };
  11 struct Foo __attribute__((noinline))
  12 bar(int *p)
  13 {
  14   struct Foo f;
  15   f.p = p;
  16   return f;
  17 }
  18 void __attribute__((noinline))
  19 foo(struct Foo f)
  20 {
  21   *f.p = 0;
  22 }
  23 int main()
  24 {
  25   int a, b;
  26   a = 0;
  27   b = 1;
  28   struct Bar f;
  29   struct Foo g = bar (&b);
  30   f.x = &g;
  31   f.q = &a;
  32   foo(*f.x);
  33   if (b != 0)
  34     abort ();
  35   return 0;
  36 }