gcc/testsuite/gcc.c-torture/execute/pr48717.c

   1 /* PR tree-optimization/48717 */
   2
   3 extern void abort (void);
   4
   5 int v = 1, w;
   6
   7 unsigned short
   8 foo (unsigned short x, unsigned short y)
   9 {
  10   return x + y;
  11 }
  12
  13 void
  14 bar (void)
  15 {
  16   v = foo (~w, w);
  17 }
  18
  19 int
  20 main ()
  21 {
  22   bar ();
  23   if (v != (unsigned short) -1)
  24     abort ();
  25   return 0;
  26 }