gcc/testsuite/gcc.dg/pr50133.c

/* PR tree-optimization/50133 */
/* { dg-do compile } */
/* { dg-options "-O -ftree-vectorize -fno-tree-loop-im" } */

extern int A[], B[];

void
foo (int z)
{
  int j, i;
  for (j = 0; j < 32; j++)
    {
      int a = A[0];
      for (i = 0; i < 16; i++)
	a = A[i] ? a : z;
      B[j] = a;
    }
}