When looking for a tag name via unqualified name lookup, only look in
scopes where the name would be considered a redeclaration if we know
that we're declaring or defining that tag.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63647 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed