Rollup of 8 pull requests#93288

Merged

bors merged 35 commits intorust-lang:masterfrom

matthiaskrgr:rollup-uu4uwd1

Jan 25, 2022

Commits on Oct 5, 2021

Fix compilation on WASI, which doesn't yet support `dup`.
sunfishcode
committed

Commits on Jan 12, 2022

Use the correct `cvt` for converting socket errors on Windows.
sunfishcode
committed

Commits on Jan 19, 2022

Properly track `DepNode`s in trait evaluation provisional cache
Aaron1011
committed

Commits on Jan 21, 2022

Commits on Jan 22, 2022

Change signature of point_at_arg_instead_of_call_if_possible
jackh726
committed
Move param count error emission to near end of check_argument_types
jackh726
committed
Restructure the code leveraging in abilities more than modes
spastorino
committed

Commits on Jan 24, 2022

Use error-on-mismatch policy for PAuth module flags.
jacobbramley
committed

Commits on Jan 25, 2022