Replace invalid use of `&mut` with `UnsafeCell` in `std::sync::mpsc`#38421

Merged

bors merged 1 commit intorust-lang:masterfrom apasel422:issue-36934

Dec 19, 2016

+328-328

Commits on Dec 17, 2016

Replace invalid use of &mut with UnsafeCell in std::sync::mpsc
apasel422
committed