Rollup of 19 pull requests#78874

Merged

bors merged 44 commits intorust-lang:masterfrom

m-ou-se:rollup-3jp1ijj

Nov 8, 2020

Commits on Sep 2, 2020

Stabilize `Poll::is_ready` and `is_pending` as const
CDirkx
committed

Commits on Sep 3, 2020

Move const tests for `Poll` to `library\core`
CDirkx
committed

Commits on Oct 16, 2020

Bump version to 1.49.0
CDirkx
authored

Commits on Oct 21, 2020

make concurrency helper more pleasant to read
tshepang
committed

Commits on Oct 30, 2020

Use SOCK_CLOEXEC and accept4() on more platforms.
de-vri-es
committed

Commits on Nov 3, 2020

Fix run-make tests running when LLVM is disabled
bjorn3
committed

Commits on Nov 4, 2020

Commits on Nov 5, 2020

Correct unsigned equivalent of isize to be usize
jhpratt
committed

Commits on Nov 7, 2020

Commits on Nov 8, 2020