[PATCH] D63607: [clang][driver] Add basic --driver-mode=flang support for fortran

[Peter Waller via Phabricator via cfe-commits]

peterwaller-arm added a comment.

I've thought about it for a moment and I'm currently at a loss to quickly explain why this would only fail on darwin. In my patch, the change to LookupTypeForExtension should prevent clang from reaching this state where it complains about a preprocessed input.

I don't have access to a darwin machine right now to dive in, understand and fix it.

I propose to mark the test `UNSUPPORTED: darwin` until more is understood about the breakage. I assume there is no issue with that?


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https://reviews.llvm.org/D63607