ObjectiveC ARC. Lookup type associated with objc_bridage at
the point of CF object type-cast and issue diagnostic
if it is not a valid ObjectiveC class. // rdar//15454846.
This is wip.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194861 91177308-0d34-0410-b5e6-96231b3b80d8
Fix typo in CGRecordLayoutBuilder.cpp: s/Field/Fields/ in comment

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194863 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC ARG. A positive test of my previous patch.
// rdar://15454846


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194864 91177308-0d34-0410-b5e6-96231b3b80d8
PR8455: Handle an attribute between a goto label and a variable declaration per
the GNU documentation: the attribute only appertains to the label if it is
followed by a semicolon. Based on a patch by Aaron Ballman!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194869 91177308-0d34-0410-b5e6-96231b3b80d8