gcc/testsuite/gcc.dg/torture/pr59374-1.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
   8 void __attribute__((noinline))
   9 foo (void)
  10 {
  11   void *tem = a.b;
  12   a.b = (void *)0;
  13   b.b = tem;
  14   b.a = a.a;
  15 }
  16
  17 int main()
  18 {
  19   a.b = &a;
  20   foo ();
  21   if (b.b != &a)
  22     abort ();
  23   return 0;
  24 }