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

/* PR tree-optimization/48717 */

extern void abort (void);

int v = 1, w;

unsigned short
foo (unsigned short x, unsigned short y)
{
  return x + y;
}

void
bar (void)
{
  v = foo (~w, w);
}

int
main ()
{
  bar ();
  if (v != (unsigned short) -1)
    abort ();
  return 0;
}