1 /* PR tree-optimization/86231 */
2 /* { dg-do compile } */
3 /* { dg-options "-O2 -fdump-tree-vrp1" } */
4 /* { dg-final { scan-tree-dump-not "link_error" "vrp1" } } */
5 
6 int bar (int);
7 void link_error (void);
8 
9 int
foo(int x,int y,int z)10 foo (int x, int y, int z)
11 {
12   if (x < 4 || x > 8) __builtin_unreachable ();
13   if (y >= 2 && y <= 6) __builtin_unreachable ();
14   /* x is [4, 8], y is ~[2, 6], resulting range of e should be ~[2, 3].  */
15   int e = (z ? x : y);
16   bar (bar (bar (bar (bar (bar (bar (bar (bar (bar (bar (bar (e))))))))))));
17   if (e == 2 || e == 3)
18     link_error ();
19   return e;
20 }
21