mozilla/rust — pull request #9385 by alexcrichton (2013-09-21 08:50:40+00:00)
Title: Actually default rustc to have debug! output

Turns out that even if the default is "enabled", that doesn't mean that the
CFG_ENABLE_DEBUG variable will be defined. Instead, test whether
CFG_DISABLE_DEBUG is defined and disable debug things if that's the case.