[PATCH] D88984: Prefer libc++ headers in the -isysroot over the toolchain

[Duncan P. N. Exon Smith via Phabricator via cfe-commits]

dexonsmith requested changes to this revision.
dexonsmith added a comment.
This revision now requires changes to proceed.

> Furthermore, instead of always adding both search paths, we find
> the first search path that exists and only add that one.

Huh, I'm surprised this wasn't already the behaviour. This seems like a good patch to split out and commit first, since in the (somewhat unlikely) case this causes a problem for someone it would be good for them to be able to bisect this separately the other part.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D88984/new/

https://reviews.llvm.org/D88984