gcc/testsuite/gcc.dg/pr52210.c

/* PR tree-optimization/52210 */
/* { dg-do compile } */
/* { dg-options "-O3" } */

void
foo (long *x, long y, long z)
{
  long a = x[0];
  long b = x[1];
  x[0] = a & ~y;
  x[1] = b & ~z;
}