[rename] Don't overwrite the template argument when renaming a template function.

Reviewers: ioeric

Reviewed By: ioeric

Subscribers: cierpuchaw, cfe-commits, klimek

Differential Revision: https://reviews.llvm.org/D39120

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@316314 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed