Rollup of 7 pull requests#69606

Merged

bors merged 17 commits intorust-lang:masterfrom

JohnTitor:rollup-i3nrrcf

Mar 1, 2020

Commits on Feb 23, 2020

bootstrap: Remove commit hash from LLVM version suffix to avoid rebuilds
tmiasko
committed

Commits on Feb 28, 2020

Commits on Mar 1, 2020