Add LLVM `skip-rebuild` option to `x.py`#67437

Merged

bors merged 3 commits intorust-lang:masterfrom

matthew-healy:skip-llvm-rebuild

Dec 27, 2019

Commits on Dec 26, 2019

Document LLVM skip-rebuild config.toml option
Matthew Healy
committed
Parse llvm_skip_rebuild into Config
Matthew Healy
committed
Skip LLVM rebuild when skip-rebuild is true
Matthew Healy
committed