bindings_after_at: outer mutability annotation affects inner bindings #67926
Description
This compiles but should not.
#![feature(bindings_after_at)]
fn main() {
let mut _is_mut @ _not_mut = 42;
_not_mut = 0;
}{{ message }}
This compiles but should not.
#![feature(bindings_after_at)]
fn main() {
let mut _is_mut @ _not_mut = 42;
_not_mut = 0;
}