gcc/testsuite/gcc.dg/torture/pr59374-2.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-ftree-slp-vectorize" } */
   3
   4 extern void abort (void);
   5
   6 static struct X { void *a; void *b; } a, b;
   7 static struct X *p;
   8
   9 void __attribute__((noinline))
  10 foo (void)
  11 {
  12   void *tem = a.b;
  13   p->b = (void *)0;
  14   b.b = tem;
  15   b.a = a.a;
  16 }
  17
  18 int main()
  19 {
  20   p = &a;
  21   a.b = &a;
  22   foo ();
  23   if (b.b != &a)
  24     abort ();
  25   return 0;
  26 }