Rollup of 11 pull requests#65559

Closed

Centril wants to merge 39 commits intorust-lang:masterfrom

Centril:rollup-7wfgdfx

Commits on Oct 8, 2019

Disable Go and OCaml bindings when building LLVM
tmiasko
committed

Commits on Oct 11, 2019

Make <*const/mut T>::offset_from `const fn`
oli-obk
committed

Commits on Oct 17, 2019

Commits on Oct 18, 2019