I ran clang 2.6 in analyze mode on zsh and it picked up some mistakes
I made with the error handling (patch attached). If anyone wants to
look at the rest i tarred up the reports and put them here, but most
of them are likely to be false positives (7.3MB packed)
http://mika.l3ib.org/zsh-clang-2009-11-06.tar.gz

-- 
Mikael Magnusson