gcc-4.9/gcc/testsuite/gcc.dg/torture/pr51238.c


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/* { dg-do compile } */
/* { dg-options "-ftree-loop-distribution" } */

extern int ia[];
extern int ib[];
int i;

void
foo (int l)
{
  while (l--)
    {
      i = ia[l];
      ia[l] = ib[l] = 0;
    }
}