gcc/testsuite/gcc.dg/pr68835-1.c

   1 /* PR tree-optimization/68835 */
   2 /* { dg-do compile { target int128 } } */
   3 /* { dg-options "-O2" } */
   4
   5 unsigned __int128
   6 foo (unsigned long a, unsigned long b)
   7 {
   8   unsigned __int128 x = (unsigned __int128) a * b;
   9   struct { unsigned __int128 a : 96; } w;
  10   w.a = x;
  11   return w.a;
  12 }