[ACTIVITY] week ending 9th November 2018

[Peter Smith]

[LLVM-203] Using PGO for code size optimization
Communicated results and shared patch with Google Android/ChromeOs and
Fuchsia teams

[LLD] Did some benchmarking of LLD against ld.bfd and ld.gold
On some large applications like Mozilla and Chrome LLD can be up to 10
times faster.

Patch review and debug triage:
https://bugs.llvm.org/show_bug.cgi?id=39587
https://bugs.llvm.org/show_bug.cgi?id=39571
https://reviews.llvm.org/D54314
https://reviews.llvm.org/D54145
https://reviews.llvm.org/D54265
https://reviews.llvm.org/D53980