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

[Louis Dionne via Phabricator via cfe-commits]

ldionne added a comment.

Note: This patch basically implements **Solution (1)**. I would love to see it rebased onto `master` and for tests to be added if we're all comfortable going down that route.


Repository:
  rC Clang

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D45639/new/

https://reviews.llvm.org/D45639