1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
|
//@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
}
// This function is not actually called, but it is mentioned in a closure that is coerced to a
// function pointer in dead code in a function that is called. Make sure we still find this error.
#[inline(never)]
fn not_called<T>() {
if false {
let _ = Fail::<T>::C;
}
}
#[inline(never)]
fn called<T>() {
if false {
let _closure: fn() = || not_called::<T>();
}
}
pub fn main() {
called::<i32>();
}
|