1
2
3
4
5
6
7
8
9
10
11
12
13
14
|
//@ 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)
}
|
