blob: 2eeca4bdb7a50fe9d7dcc83cd781ac1c47c75652 [file] [log] [blame]
//@ run-rustfix
#![allow(dead_code)]
fn main() {
fn x(a: &char) {
let &(mut b) = a;
b.make_ascii_uppercase();
//~^ ERROR cannot borrow `b` as mutable, as it is not declared as mutable
}
}