rust-clippy/tests/ui/crashes/ice-6254.rs

18 lines
685 B
Rust

// originally from ./tests/ui/pattern/usefulness/consts-opaque.rs
// panicked at 'assertion failed: rows.iter().all(|r| r.len() == v.len())',
// compiler/rustc_mir_build/src/thir/pattern/_match.rs:2030:5
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(PartialEq)]
struct Foo(i32);
const FOO_REF_REF: &&Foo = &&Foo(42);
fn main() {
// This used to cause an ICE (https://github.com/rust-lang/rust/issues/78071)
match FOO_REF_REF {
FOO_REF_REF => {},
//~^ ERROR: to use a constant of type `Foo` in a pattern, `Foo` must be annotated
//~| NOTE: for more information, see issue #62411 <https://github.com/rust-lang/ru
Foo(_) => {},
}
}