[asan] Rename *UAR* into *UseAfterReturn*

Summary:
To improve readability.

PR27453

Reviewers: kcc, eugenis, aizatsky

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D20761

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271447 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed