| /* PR tree-optimization/86231 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-vrp1" } */ |
| /* { dg-final { scan-tree-dump-not "link_error" "vrp1" } } */ |
| |
| int bar (int); |
| void link_error (void); |
| |
| int |
| foo (int x, int y, int z) |
| { |
| if (x < 4 || x > 8) __builtin_unreachable (); |
| if (y >= 2 && y <= 6) __builtin_unreachable (); |
| /* x is [4, 8], y is ~[2, 6], resulting range of e should be ~[2, 3]. */ |
| int e = (z ? x : y); |
| bar (bar (bar (bar (bar (bar (bar (bar (bar (bar (bar (bar (e)))))))))))); |
| if (e == 2 || e == 3) |
| link_error (); |
| return e; |
| } |
