rust-lang/rust — pull request #17132 by reem (2014-09-09 20:28:51+00:00)
Title: Bound Any with 'static

This bound is already implicit through the AnyPrivate trait,
but since it is not explicit, you still have to write Box,
even though Any can only be 'static.

Introducing the 'static bound here makes this bound explicit, making
Box legal.