gcc/testsuite/gcc.dg/torture/reassoc-1.c

   1 /* { dg-do run } */
   2
   3 int x;
   4
   5 int __attribute__((noinline))
   6 foo(int a, int b, int w)
   7 {
   8   int tmp1 = a * w;
   9   int tmp2 = b * w;
  10   x = tmp1;
  11   return tmp1 + tmp2;
  12 }
  13
  14 extern void abort (void);
  15
  16 int main()
  17 {
  18   if (foo(1, 2, 3) != 9)
  19     abort ();
  20   if (x != 3)
  21     abort ();
  22   return 0;
  23 }
  24