Method implemented in class's implementation may implement
one declared in class's extension and not one declared
in class's superclass. This supresses a bogus warning on
method type mismatch.
Fixes //rdar: // 8530080


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116118 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed