Merge commit '40dd3e2b7089b5e96714e064b731f6dbf17c61a9' into sync_cg_clif-2021-05-27

[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
}