Rollup of 5 pull requests

[matthiaskrgr]

Successful merges:

• Guarantee that Layout::align returns a non-zero power of two #115653 (Guarantee that Layout::align returns a non-zero power of two)
• add SAFETY block on the usage of unsafe getuid #116577 (add SAFETY block on the usage of unsafe getuid)
• Add the V (vector) extension to the riscv64-linux-android target spec #116618 (Add the V (vector) extension to the riscv64-linux-android target spec)
• Remove some unnecessary unwraps #116679 (Remove some unnecessary unwraps)
• explicitly handle auto trait leakage in coherence #116689 (explicitly handle auto trait leakage in coherence)

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=5

[bors]

📌 Commit 45bcef3 has been approved by matthiaskrgr

It is now in the queue for this repository.

[bors]

⌛ Testing commit 45bcef3 with merge 495c5dd...

[bors]

☀️ Test successful - checks-actions
Approved by: matthiaskrgr
Pushing 495c5dd to master...

[rust-timer]

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#115653	Guarantee that Layout::align returns a non-zero power of two	4fb4561c53ad09388b18a027ff927a7db214256e (link)
#116577	add SAFETY block on the usage of unsafe getuid	7bf83fc83c8e930c8ae3e3abafa18d06f9bf3312 (link)
#116618	Add the V (vector) extension to the riscv64-linux-android t…	930bcd8038ad34a1cdce944bee81eb24a8996668 (link)
#116679	Remove some unnecessary unwraps	d17800b77bf379ebfeda36a7ab770d8758756a56 (link)
#116689	explicitly handle auto trait leakage in coherence	95990f83d2988c9dff81a6bc1c098d282cb30b04 (link)

previous master: 96c4dba794

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

[rust-timer]

Finished benchmarking commit (495c5dd): 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)	0.8%	[0.8%, 0.8%]	1
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	0.8%	[0.8%, 0.8%]	1

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)	3.4%	[3.4%, 3.4%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 627.386s -> 627.574s (0.03%)
Artifact size: 271.34 MiB -> 271.31 MiB (-0.01%)