[PATCH] [modules] PR20507: Avoid silent textual inclusion.

[Richard Smith]

I'm fine with special-case hacks to keep the current Darwin module maps working, so long as they're relatively self-contained and very unlikely to trigger in any other cases. (We do equally ugly things to parse broken libstdc++ headers.)

I agree that `exclude` makes more sense for `requires excluded` as a "supported" feature, but if this is another egregious hack for Darwin, I don't think it matters which we choose. (Maybe we should also check the module name here?)


http://reviews.llvm.org/D10423

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