2023-02-11 02:59:19 -06:00
|
|
|
// compile-flags: -Zmir-enable-passes=+Inline,+ConstProp --crate-type lib
|
|
|
|
|
// revisions: ASSERT NOASSERT
|
|
|
|
|
//[ASSERT] compile-flags: -Coverflow-checks=on
|
|
|
|
|
//[NOASSERT] compile-flags: -Coverflow-checks=off
|
|
|
|
|
|
|
|
|
|
// CHECK-LABEL: define{{.*}} @assertion
|
2023-02-15 12:43:15 -06:00
|
|
|
// ASSERT: call void @_ZN4core9panicking5panic17h
|
2023-02-11 02:59:19 -06:00
|
|
|
// 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)
|
|
|
|
|
}
|
