Rollup merge of #105526 - Xiretza:iter-from-generator-derive, r=scottmcm

[rust.git] / tests / ui / closures / issue-84044-drop-non-mut.rs

// #84044: This used to ICE.

fn main() {
    let f = || {};
    drop(&mut f); //~ ERROR cannot borrow `f` as mutable, as it is not declared as mutable
}