rust/tests/mir-opt/issue_72181_1.rs

21 lines
427 B
Rust

// skip-filecheck
//@ compile-flags: -Z mir-opt-level=1
// Regression test for #72181, this ICE requires `-Z mir-opt-level=1` flags.
#![feature(never_type)]
#![allow(unused, invalid_value)]
enum Void {}
// EMIT_MIR issue_72181_1.f.built.after.mir
fn f(v: Void) -> ! {
match v {}
}
// EMIT_MIR issue_72181_1.main.built.after.mir
fn main() {
let v: Void = unsafe { std::mem::transmute::<(), Void>(()) };
f(v);
}