Rollup of 6 pull requests

[matthiaskrgr]

Successful merges:

• tidy: stop special-casing tests/ui entry limit #125307 (tidy: stop special-casing tests/ui entry limit)
• Create a triagebot ping group for Rust for Linux #125375 (Create a triagebot ping group for Rust for Linux)
• fix(opt-dist): respect existing config.toml #125473 (fix(opt-dist): respect existing config.toml)
• Stop SRoA'ing DynMetadata in MIR #125508 (Stop SRoA'ing DynMetadata in MIR)
• Stabilize slice_flatten #125561 (Stabilize slice_flatten)
• f32: use constants instead of reassigning a dummy value as PI #125571 (f32: use constants instead of reassigning a dummy value as PI)

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=6

[bors]

📌 Commit 27cdb36 has been approved by matthiaskrgr

It is now in the queue for this repository.

[bors]

⌛ Testing commit 27cdb36 with merge 785eb65...

[bors]

☀️ Test successful - checks-actions
Approved by: matthiaskrgr
Pushing 785eb65 to master...

[rust-timer]

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#125307	tidy: stop special-casing tests/ui entry limit	78dd533080e55ce3f92b3471c4de93353cdecb56 (link)
#125375	Create a triagebot ping group for Rust for Linux	d982d24f613fde6dff283f1a81a037b7e85479ee (link)
#125473	fix(opt-dist): respect existing config.toml	5bba4ba7c8bf3fa963287f847168e33c4866e4ba (link)
#125508	Stop SRoA'ing DynMetadata in MIR	7545461a7fd9fde0a48635364d95fde000d9a420 (link)
#125561	Stabilize slice_flatten	f4921e149134f6a15dc4be6c3d0e85c9e562d615 (link)
#125571	f32: use constants instead of reassigning a dummy value as …	cfc048b08ccafb81e335614ee4a501e340524ab2 (link)

previous master: a6a017d3f3

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 (785eb65): comparison URL.

Overall result: ❌ regressions - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	1.7%	[1.7%, 1.7%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (primary -2.9%, secondary -1.3%)

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)	2.4%	[2.4%, 2.4%]	1
Improvements ✅ (primary)	-2.9%	[-3.1%, -2.7%]	2
Improvements ✅ (secondary)	-3.2%	[-3.6%, -2.8%]	2
All ❌✅ (primary)	-2.9%	[-3.1%, -2.7%]	2

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: 668.468s -> 670.153s (0.25%)
Artifact size: 315.68 MiB -> 315.71 MiB (0.01%)