Support for JavaScript === and !== operators.

Reviewers: klimek, djasper

Reviewed By: klimek

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D2231

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195251 91177308-0d34-0410-b5e6-96231b3b80d8
Simplify fix proposed in r195240.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195253 91177308-0d34-0410-b5e6-96231b3b80d8
When wrapping lazily generated builtins in an extern "C" context,
flag the LinkageSpecDecl as being implicitly generated too.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195255 91177308-0d34-0410-b5e6-96231b3b80d8
Added an option to allow short function bodies be placed on a single line.

Summary:
The AllowShortFunctionsOnASingleLine option now controls short function
body placement on a single line independent of the BreakBeforeBraces option.
Updated tests using BreakBeforeBraces other than BS_Attach.

Addresses http://llvm.org/PR17888

Reviewers: klimek, djasper

Reviewed By: klimek

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D2230

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195256 91177308-0d34-0410-b5e6-96231b3b80d8
Refine 'deprecated' checking for Objective-C classes/methods.

- If a deprecated class refers to another deprecated class, do not warn.
- @implementations of a deprecated class can refer to other deprecated things.

Fixes <rdar://problem/15407366> and <rdar://problem/15466783>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195259 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC ARC. Better checking of toll free briding 
from qualified-id objects to CF types with 
objc_bridge annotation. // rdar://15454846


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@195264 91177308-0d34-0410-b5e6-96231b3b80d8