Added a test for C++11 statement attributes serialization.

Summary: Uses [[clang::fallthrough]] attribute in a template function, and -Wimplicit-fallthrough to check the attribute presence in an instantiation.

Reviewers: rsmith

Reviewed By: rsmith

CC: cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D55

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@165068 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed