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

[Rui Ueyama via Phabricator via cfe-commits]

ruiu added a comment.

Yes, specifically, lld does string tail merging (instead of regular string merging) when -O2 is given, so it would produce slightly smaller outputs.


Repository:
  rL LLVM

https://reviews.llvm.org/D39017