mirror of https://github.com/rust-lang/rust
31 lines
552 B
Rust
31 lines
552 B
Rust
//@revisions: noopt opt
|
|
//@ build-fail
|
|
//@[noopt] compile-flags: -Copt-level=0
|
|
//@[opt] compile-flags: -O
|
|
//! This fails without optimizations, so it should also fail with optimizations.
|
|
|
|
struct Fail<T>(T);
|
|
impl<T> Fail<T> {
|
|
const C: () = panic!(); //~ERROR evaluation of `Fail::<i32>::C` failed
|
|
}
|
|
|
|
#[inline(never)]
|
|
fn not_called<T>() {
|
|
if false {
|
|
let _ = Fail::<T>::C;
|
|
}
|
|
}
|
|
|
|
#[inline(never)]
|
|
fn callit_not(f: impl Fn()) {
|
|
if false {
|
|
f();
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
if false {
|
|
callit_not(not_called::<i32>)
|
|
}
|
|
}
|