[PATCH] D39017: [CMake] Build Fuchsia toolchain as -O3

[Roland McGrath via Phabricator via cfe-commits]

mcgrathr accepted this revision.
mcgrathr added a comment.
This revision is now accepted and ready to land.

LGTM
Since we use lld, -Wl,-O2 also helps make the binaries smaller.


Repository:
  rL LLVM

https://reviews.llvm.org/D39017