Upgrade the VS solution to 2012.

Now we can compile a VSPackage that works with VS 2010-2013 from within VS 2012.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@194488 91177308-0d34-0410-b5e6-96231b3b80d8
ObjectiveC driver change. re-apply patch reverted in
r194450 with a modified test. // rdar://15363492


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@194489 91177308-0d34-0410-b5e6-96231b3b80d8
Do not insert backslashes, when breaking line comments after preprocessor directives.

Summary: This solves http://llvm.org/PR17536

Reviewers: klimek, djasper

Reviewed By: klimek

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D2142

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@194491 91177308-0d34-0410-b5e6-96231b3b80d8
Remove extra whitespace instead of breaking the line in comments when possible.

Summary: Solves the problem described in http://llvm.org/PR17756

Reviewers: klimek

Reviewed By: klimek

CC: cfe-commits, klimek

Differential Revision: http://llvm-reviews.chandlerc.com/D2131

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@194493 91177308-0d34-0410-b5e6-96231b3b80d8
Add test for injecting diagnostic consumers into a ClangTool.

As suggested by pcc on 194226.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@194494 91177308-0d34-0410-b5e6-96231b3b80d8