[PATCH] D41937: [WebAssembly] supports -stdlib=libc++ switch

[Derek Schuff via Phabricator via cfe-commits]

dschuff accepted this revision.
dschuff added a comment.

LGTM, but does it need to be rebased after the `-allow-undefined-file` change?


Repository:
  rC Clang

https://reviews.llvm.org/D41937