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3 Commits

Author SHA1 Message Date
Ted Kremenek c07d8353e1 Add check for UnknownVals for mutexes in ObjCAtSyncChecker. Fixes crash reported in PR 8458. 
llvm-svn: 117300
 2010-10-25 20:20:56 +00:00
Ted Kremenek c5644e1b97 Tweak the ObjCAtSyncChecker to assume that a mutex is non-nil after checking that it is 
nil.  Otherwise we can get false paths where a second @synchronized using the mutex
can have a bogus warning.  Fixes <rdar://problem/8578650>.

llvm-svn: 117016
 2010-10-21 15:38:55 +00:00
Ted Kremenek 6c0cc5e69a Add checker implementation for my previous commit! 
llvm-svn: 113574
 2010-09-10 03:45:29 +00:00