rust/tests/mir-opt/remove_never_const.rs

22 lines
594 B
Rust

// This was originally a regression test for #66975 - ensure that we do not generate never typed
// consts in codegen. We also have tests for this that catches the error, see
// tests/ui/consts/const-eval/index-out-of-bounds-never-type.rs.
// Force generation of optimized mir for functions that do not reach codegen.
// compile-flags: --emit mir,link
#![feature(never_type)]
struct PrintName<T>(T);
impl<T> PrintName<T> {
const VOID: ! = panic!();
}
// EMIT_MIR remove_never_const.no_codegen.PreCodegen.after.mir
fn no_codegen<T>() {
let _ = PrintName::<T>::VOID;
}
fn main() {}