[PATCH] D28832: Improve redefinition errors pointing to the same header.

[Bruno Cardoso Lopes via Phabricator via cfe-commits]

bruno added a comment.

@v.g.vassilev your testcase is interesting but it's unrelated to this specific improvement. The error message it's triggered by (a) the decl name not being found because `kROOTD_OPEN` is hidden, (b) type transforms looks for an alternative (c) `Sema::diagnoseMissingImport` is called and produces the error you're seeing. I can fix this one too once we decide what we consider a good diagnostic here, let's iterate in http://bugs.llvm.org/show_bug.cgi?id=32670


https://reviews.llvm.org/D28832