don't warn about unused values when the unused value is a statement expression expanded from a macro.  This is of dubious utility in general, but is specifically a major issue for the linux kernel.  This resolves PR13747.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163034 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed