ObjectiveC [Sema]. This patch makes sure that all inherited
properties (direct or indirect) setter/getter (or declared 
methods as well) are seen by the method implementation type 
matching logic before declaration of method in super class 
is seen. This fixes the warning coming out of that method mismatch.
// rdar://14650159


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@188438 91177308-0d34-0410-b5e6-96231b3b80d8
Add ctorInitializer to the dynamic AST Matcher registry.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@188439 91177308-0d34-0410-b5e6-96231b3b80d8
Add a bit of explanation for FrontendActionFactory.

Also use the more common "derive from" in place of "extend" in another
comment.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@188440 91177308-0d34-0410-b5e6-96231b3b80d8