Add a clang-tidy flag to support temporary destructor-aware analysis (workaround for bug 15599).

Reviewers: alexfh

Subscribers: jordan_rose, klimek, djasper, cfe-commits

Differential Revision: http://reviews.llvm.org/D3556

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@207652 91177308-0d34-0410-b5e6-96231b3b80d8
Test cleanup recommended in http://reviews.llvm.org/D3556

git-svn-id: https://llvm.org/svn/llvm-project/clang-tools-extra/trunk@207653 91177308-0d34-0410-b5e6-96231b3b80d8