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//@revisions: noopt opt
//@ build-fail
//@[noopt] compile-flags: -Copt-level=0
//@[opt] compile-flags: -O
//! Make sure we error on erroneous consts even if they get promoted.
struct Fail<T>(T);
impl<T> Fail<T> {
const C: () = panic!(); //~ERROR evaluation of `Fail::<i32>::C` failed
//[opt]~^ ERROR evaluation of `Fail::<T>::C` failed
// (Not sure why optimizations lead to this being emitted twice, but as long as compilation
// fails either way it's fine.)
}
#[inline(never)]
fn f<T>() {
if false {
// If promotion moved `C` from our required_consts to its own, without adding itself to
// our required_consts, then we'd miss the const-eval failure here.
let _val = &Fail::<T>::C;
}
}
fn main() {
f::<i32>();
}
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