rust-lang/rust — pull request #19298 by nikomatsakis (2014-11-25 11:25:16+00:00)
Title: Correct parsing of the precedence of `+`

Implements RFC 438.

Fixes #19092.

This is a [breaking-change]: change types like `&Foo+Send` or `&'a mut Foo+'a` to `&(Foo+Send)` and `&'a mut (Foo+'a)`, respectively.

r? @brson