cschol@marvin:~/devel/emacs/trunk_git$ git bisect good
b54c7814ea5dc4e8636aa4dccf48428f9a48271c is the first bad commit
commit b54c7814ea5dc4e8636aa4dccf48428f9a48271c
Author: Dmitry Antipov <dmantipov@yandex.ru>
Date:   Wed Apr 2 20:17:08 2014 +0400

    * xterm.c (x_term_init) [USE_LUCID]: Fix minor memory leak.

:040000 040000 867a5b7066df97ad537bb4b5394580e784d82fd8
6acc79277b810e8f0322dcd767f61f0023db488c M      src


CC'ed Dmitry