Rollup of 4 pull requests

[workingjubilee]

Successful merges:

• Stabilise const_char_encode_utf16. #132153 (Stabilise const_char_encode_utf16.)
• [core/fmt] Replace checked slice indexing by unchecked to support panic-free code #132473 ([core/fmt] Replace checked slice indexing by unchecked to support panic-free code)
• PassWrapper: adapt for new parameter in LLVM #132600 (PassWrapper: adapt for new parameter in LLVM)
• triagebot: ping wg-const-eval when relevant files change #132630 (triagebot: ping wg-const-eval when relevant files change)

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[workingjubilee]

@bors r+ rollup=never p=5

[bors]

📌 Commit 5b1c626 has been approved by workingjubilee

It is now in the queue for this repository.

[bors]

⌛ Testing commit 5b1c626 with merge 977ad50...

[rust-log-analyzer]

The job x86_64-mingw failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

test [run-make] tests\run-make\zero-extend-abi-param-passing ... ok
test [run-make] tests\run-make\test-benches ... ok
test [run-make] tests\run-make\share-generics-export-again ... ok
test [run-make] tests\run-make\rustc-crates-on-stable ... ok
Terminate batch job (Y/N)? 
##[error]The operation was canceled.
Post job cleanup.
[command]"C:\Program Files\Git\bin\git.exe" version
git version 2.47.0.windows.1

[bors]

💔 Test failed - checks-actions

[workingjubilee]

@bors retry

[bors]

⌛ Testing commit 5b1c626 with merge bc5cf99...

[bors]

☀️ Test successful - checks-actions
Approved by: workingjubilee
Pushing bc5cf99 to master...

[rust-timer]

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#132153	Stabilise const_char_encode_utf16.	73bdbea85ca2baf6ee4a201a4726a04c3d94a04b (link)
#132473	[core/fmt] Replace checked slice indexing by unchecked to s…	ffad505444b89e8b2e81bd5bcf2a9fdf0babf0ac (link)
#132600	PassWrapper: adapt for new parameter in LLVM	6ab960f90b5060b487ed3c15543fa217736ff274 (link)
#132630	triagebot: ping wg-const-eval when relevant files change	406c61c66750ea6eab99b858eb70759f09d8af63 (link)

previous master: e8c698bb3b

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 (bc5cf99): comparison URL.

Overall result: ❌ regressions - no action needed

@rustbot label: -perf-regression

Instruction count

This is the most reliable metric that we have; it was used to determine the overall result at the top of this comment. However, even this metric can sometimes exhibit noise.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	2.2%	[2.2%, 2.2%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (secondary -1.7%)

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)	-1.7%	[-1.7%, -1.7%]	1
All ❌✅ (primary)	-	-	0

Cycles

Results (secondary -2.3%)

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)	-2.3%	[-2.3%, -2.3%]	1
All ❌✅ (primary)	-	-	0

Binary size

Results (primary -0.0%, secondary -0.1%)

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)	-0.0%	[-0.1%, -0.0%]	10
Improvements ✅ (secondary)	-0.1%	[-0.1%, -0.1%]	38
All ❌✅ (primary)	-0.0%	[-0.1%, -0.0%]	10

Bootstrap: 779.96s -> 779.813s (-0.02%)
Artifact size: 335.30 MiB -> 335.27 MiB (-0.01%)