1 /* This is highly dependent on branch costing, so make it opt-in.  */
2 /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
3 /* { dg-options "-O2 -fno-tree-vrp -fdump-tree-dom-details" } */
4 
5 
f(int x,int y,int a,int b)6 int f(int x, int y, int a, int b)
7 {
8   int ret = 10;
9   if (a == x
10       && b == y
11       && a == b)
12     ret = x - y;
13 
14   return ret;
15 }
16 
17 /* { dg-final { scan-tree-dump "Folded to: ret_\[0-9\]+ = 0;"  "dom2" { xfail *-*-* } } } */
18