Rustc scoping regression #40235
Description
The following code does not compile with rustc 1.17.0-nightly (c0b7112ba 2017-03-02). Compiles with stable-x86_64-unknown-linux-gnu unchanged - rustc 1.14.0 (e8a012324 2016-12-16). Testing with updated stable release.
fn n(c: u64) -> u64 {
c
}
pub fn main() {
let v = vec![1,2,3];
let mut it = v.iter();
while let Some(n) = it.next() {
println!("{}", n);
}
assert!(n(1) == 1);
}