XXL Arrays

[Dylan-DPC-zz]

Code

fn foo([(), .., ()]: [(); 1 << 40]) {}

fn main() {
    foo([(); 1 << 40]);
}

Error output

thread 'rustc' panicked at 'called `Result::unwrap()` on an `Err` value: TryFromIntError(())', src/librustc_mir_build/build/matches/util.rs:36:18
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: internal compiler error: unexpected panic

[spastorino]

Assigning P-medium as discussed as part of the Prioritization Working Group process and removing I-prioritize.

[DutchGhost]

This can be shortened to:

fn bug([..]: [(); !0]) {}

[Alexendoo]

Fixed by #75893