Add simpler checker to check if variables captured by a block are uninitialized.

llvm-svn: 96341
diff --git a/clang/lib/Checker/GRExprEngine.cpp b/clang/lib/Checker/GRExprEngine.cpp
index 7f40d4d..7f86319 100644
--- a/clang/lib/Checker/GRExprEngine.cpp
+++ b/clang/lib/Checker/GRExprEngine.cpp
@@ -311,6 +311,7 @@
   RegisterUndefinedArraySubscriptChecker(Eng);
   RegisterUndefinedAssignmentChecker(Eng);
   RegisterUndefBranchChecker(Eng);
+  RegisterUndefCapturedBlockVarChecker(Eng);
   RegisterUndefResultChecker(Eng);
 
   // This is not a checker yet.