ObjectiveC migrator: Start inserting
CF_IMPLICIT_BRIDGING_ENABLE/CF_IMPLICIT_BRIDGING_DISABLED
pair. wip.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188714 91177308-0d34-0410-b5e6-96231b3b80d8
PR16727: don't try to evaluate a potentially value-dependent expression when
checking for missing parens in &&/|| expressions.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188716 91177308-0d34-0410-b5e6-96231b3b80d8
Handle init lists and _Atomic fields.

Fixes PR16931.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188718 91177308-0d34-0410-b5e6-96231b3b80d8
Simplify code by using CreateMemTemp. No functional change intended.

Reviewer: Eli

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@188722 91177308-0d34-0410-b5e6-96231b3b80d8