1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fdump-tree-optimized" } */
main(int a,int b,int c,int d)3 int main(int a, int b, int c, int d)
4 {
5   /* Should become just a & b & c & d */
6   int e = (a & b) & (c & d);
7   int f = (c & a) & (b & d);
8   return e & f;
9 }
10 /* { dg-final { scan-tree-dump-times "\\\& " 3 "optimized"} } */
11