1 /* { dg-do compile } */ 2 /* { dg-options "-fno-tree-dce -ftree-vectorize" } */ 3 4 extern short X[]; 5 foo(int len)6 int foo (int len) 7 { 8 int i; 9 int s = 0; 10 for (i = 0; i < len; i++) 11 s += X[i] * X[i]; 12 return s; 13 } 14