Add implementation for thread::sleep_until

[dvdsk]

• Feature gate is thread::sleep_until
• Tracking issue is: Tracking Issue for thread::sleep_until #113752
• APC: thread::sleep_until, wait until a deadline is reached libs-team#237

[rustbot]

r? @joshtriplett

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[dtolnay]

Thanks!

[dtolnay]

@bors r+

[bors]

📌 Commit 4cf66f0 has been approved by dtolnay

It is now in the queue for this repository.

[bors]

⌛ Testing commit 4cf66f0 with merge d7229c4...

[bors]

☀️ Test successful - checks-actions
Approved by: dtolnay
Pushing d7229c4 to master...

[rust-timer]

Finished benchmarking commit (d7229c4): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	2.3%	[1.4%, 3.4%]	3
Regressions ❌ (secondary)	3.1%	[3.1%, 3.1%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	2.3%	[1.4%, 3.4%]	3

Cycles

Results

This is a less reliable metric that may be of interest but was not used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.1%	[-2.2%, -2.1%]	2
All ❌✅ (primary)	-	-	0

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 636.475s -> 635.152s (-0.21%)
Artifact size: 318.37 MiB -> 318.44 MiB (0.02%)