Avoid infinite mutual recursion in DiagnoseInvalidRedeclaration.

Don't try to typo-correct a method redeclaration to declarations not in
the current record as it could lead to infinite recursion if CorrectTypo
finds more than one correction candidate in a parent record.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150735 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed