Fix ODR-use of a MemberExpr to check before marking a pure function used. Remove
a workaround for this bug from the -Wundefined-internals warning.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174020 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed