Rollup of 6 pull requests#78033

Merged

bors merged 16 commits intorust-lang:masterfrom

Dylan-DPC-zz:rollup-ds2cfsf

Oct 17, 2020

Commits on Sep 1, 2020

Permit uninhabited enums to cast into ints
Mark-Simulacrum
committed

Commits on Sep 2, 2020

Prevent ICE on uninhabited MIR interpretation
Mark-Simulacrum
committed

Commits on Oct 9, 2020

liballoc: VecDeque: Add binary search functions
vojtechkral
committed

Commits on Oct 12, 2020

Commits on Oct 14, 2020

BTreeMap: improve gdb introspection of BTreeMap with ZST keys or values
ssomers
committed

Commits on Oct 15, 2020

Commits on Oct 16, 2020

Commits on Oct 17, 2020