// This is a regression test for #52967, where we discovered that in | |
// the initial deployment of NLL for the 2018 edition, I forgot to | |
// turn on two-phase-borrows in addition to `-Z borrowck=migrate`. | |
// revisions: edition2015 edition2018 | |
//[edition2018]edition:2018 | |
// run-pass | |
fn the_bug() { | |
let mut stuff = ("left", "right"); | |
match stuff { | |
(ref mut left, _) if *left == "left" => { *left = "new left"; } | |
_ => {} | |
} | |
assert_eq!(stuff, ("new left", "right")); | |
} | |
fn main() { | |
the_bug(); | |
} |