Rollup of 3 pull requests

[matthiaskrgr]

Successful merges:

• Use a small runner for msvc-ext2 job #130151 (Use a small runner for msvc-ext2 job)
• const: don't ICE when encountering a mutable ref to immutable memory #130394 (const: don't ICE when encountering a mutable ref to immutable memory)
• tests: more ice tests #130409 (tests: more ice tests)

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=3

[bors]

📌 Commit 0406f12 has been approved by matthiaskrgr

It is now in the queue for this repository.

[bors]

⌛ Testing commit 0406f12 with merge d696a27...

[bors]

☀️ Test successful - checks-actions
Approved by: matthiaskrgr
Pushing d696a27 to master...

[rust-timer]

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#130151	Use a small runner for msvc-ext2 job	9a6ed85d44659ec8b6ba7c3643b25a78e979ba99 (link)
#130394	const: don't ICE when encountering a mutable ref to immutab…	6250dfdfa0a8bd3dcc431cd519e409779a045fa2 (link)
#130409	tests: more ice tests	cfd715ae6f2aede7c7e9045ce3dcc0cd8c587c9b (link)

previous master: 04a318787b

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 (d696a27): 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 (primary -1.8%, secondary -2.9%)

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)	-1.8%	[-1.8%, -1.8%]	1
Improvements ✅ (secondary)	-2.9%	[-4.2%, -1.8%]	3
All ❌✅ (primary)	-1.8%	[-1.8%, -1.8%]	1

Cycles

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

Binary size

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

Bootstrap: 758.794s -> 759.759s (0.13%)
Artifact size: 341.06 MiB -> 341.11 MiB (0.01%)