ICE assertion failed: !suggestion.is_empty()

[steffahn]

Summary

#[allow(unused)]
#[rustfmt::skip]
fn f() {
    let x: ();
    match todo!() {
        _ if {x = (); false} => panic!(),
        _ => panic!(),
    }

    todo!()
}

(Playground)

Version

Clippy version: clippy 0.1.63 (1fede17 2022-05-28)

Error output

Checking playground v0.0.1 (/playground)
thread 'rustc' panicked at 'assertion failed: !suggestion.is_empty()', /rustc/1fede1753c33f4ce0660ad9b8edbd618d9733daf/compiler/rustc_errors/src/diagnostic.rs:552:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust-clippy/issues/new

note: Clippy version: clippy 0.1.63 (1fede17 2022-05-28)

query stack during panic:
#0 [analysis] running analysis passes on this crate
end of query stack
error: could not compile `playground`

[Alexendoo]

@rustbot claim