/* { dg-options "-g -O2 -ftree-loop-distribution -fgraphite-identity" } */ int foo (int *x) { int a[10], b[10]; int i; a[9] = 8; b[9] = 8; for (i = 0; i < 9; i++) { a[i] = *x++; b[i] = 1; } b[i] = b[i] & !(a[i] ^ *x++); return b[i] ? i + 1 : 0; }