Rollup of 6 pull requests#65631

Closed

JohnTitor wants to merge 32 commits intorust-lang:masterfrom

JohnTitor:rollup-0p7hqds

Commits on Oct 16, 2019

Commits on Oct 18, 2019

ci: fix wrong path being set in install-msys2.sh
emilyalbini
committed

Commits on Oct 19, 2019

Remove unreachable unit tuple compare binop codegen

TheOregonTrail
authored and
bjorn3
committed
Fix resolve_type_vars_with_obligations not resolving const inference
skinnyBat
committed
Rename resolve_type_vars_with_obligations to
skinnyBat
committed

Commits on Oct 20, 2019