mozilla/rust — pull request #7429 by Blei (2013-06-27 13:13:59+00:00)
Title: Remove many shared pointers

Mostly just low-haning fruit, i.e. function arguments that were @ even
though & would work just as well.

Reduces librustc.so size by 200k when compiling without -O, by 100k when
compiling with -O.