mozilla/rust — pull request #8419 by cmr (2013-08-09 18:49:26+00:00)
Title: Remove rtdebug_! and make rtdebug! work properly.

It now actually does logging, and is compiled out when `--cfg rtdebug` is not
given to the libstd build, which it isn't by default. This makes the rt
benchmarks 18-50% faster.