Rollup of 24 pull requests#79057

Closed

jonas-schievink wants to merge 70 commits intorust-lang:masterfrom

jonas-schievink:rollup-333djd9

Commits on Oct 25, 2020

Do not call `unwrap` with `signatures` option enabled
JohnTitor
committed

Commits on Nov 8, 2020

fix #72680 by explicitly checking for or-pattern before test
mark-i-m
committed

Commits on Nov 9, 2020

address reviewer comments
mark-i-m
committed

Commits on Nov 11, 2020

test: add `()=()=()=...` to weird-exprs.rs
slanterns
authored

Commits on Nov 12, 2020

Commits on Nov 14, 2020