Rollup merge of #100396 - chenyukang:fix-100394, r=petrochenkov

[rust.git] / src / test / ui / writing-to-immutable-vec.rs

fn main() {
    let v: Vec<isize> = vec![1, 2, 3];
    v[1] = 4; //~ ERROR cannot borrow `v` as mutable, as it is not declared as mutable
}