Rollup of 7 pull requests#71556

Merged

bors merged 19 commits intorust-lang:masterfrom

Dylan-DPC-zz:rollup-9ll4shr

Apr 25, 2020

Commits on Mar 8, 2020

Implement BitOr and BitOrAssign for the NonZero integer types
Thom Chiovoloni
committed

Commits on Apr 2, 2020

stabilize BTreeMap::remove_entry
DutchGhost
committed

Commits on Apr 15, 2020

Commits on Apr 16, 2020

Implement `Box::into_raw` based on `Box::leak`
SimonSapin
committed

Commits on Apr 25, 2020