Code coverage could help to detect dead or extra code

Code coverage could for help detect dead code or useless conditions, see example at
https://github.com/sevntu-checkstyle/sevntu.checkstyle/pull/324

No way to reproduce in UT it mean that code is dead or useless.

Interesting automation for dead code removal base on code coverage (Guantamo project) - http://docs.codehaus.org/display/ASH/Guantanamo