SuccessChanges

Summary

  1. Fix `-Wunused-variable` warning. NFC. (details)
Commit 7cee28858674d233903e92b7a0c49b07b05ed3d3 by michael.hliao
Fix `-Wunused-variable` warning. NFC.
The file was modifiedclang/lib/Sema/SemaDeclObjC.cpp