[PATCH] D45639: [Driver] Support default libc++ library location on Darwin

[Louis Dionne via Phabricator via cfe-commits]

ldionne added a comment.

I think this looks good. I must admit I'm a bit worried about any unintended consequences this might have or breakage this might cause in cases where we'd switch from linking against the SDK libc++.dylib to the toolchain one. This would only impact the toolchain released by LLVM, not Apple's, though, since Apple's toolchain doesn't contain the dylib in `<clang>/../lib`.

I think this would merit a Clang release note.


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  https://reviews.llvm.org/D45639/new/

https://reviews.llvm.org/D45639