| //@ compile-flags: -Zmir-enable-passes=+Inline,+GVN --crate-type lib |
| //@ revisions: ASSERT NOASSERT |
| //@[ASSERT] compile-flags: -Coverflow-checks=on |
| //@[NOASSERT] compile-flags: -Coverflow-checks=off |
| |
| // CHECK-LABEL: define{{.*}} @assertion |
| // ASSERT: call void @{{.*4core9panicking11panic_const24panic_const_add_overflow}} |
| // NOASSERT: ret i8 0 |
| #[no_mangle] |
| pub fn assertion() -> u8 { |
| // Optimized MIR will replace this `CheckedBinaryOp` by `const (0, true)`. |
| // Verify that codegen does or does not emit the panic. |
| <u8 as std::ops::Add>::add(255, 1) |
| } |
