Rollup of 5 pull requests

[workingjubilee]

Successful merges:

• Fix misuses of a vs an #116223 (Fix misuses of a vs an)
• More accurately point to where default return type should go #116296 (More accurately point to where default return type should go)
• diagnostics: be more careful when suggesting struct fields #116429 (Diagnostics: Be more careful when suggesting struct fields)
• Tweak wording of E0562 #116431 (Tweak wording of E0562)
• rustdoc: rename issue-\d+.rs tests to have meaningful names (part 2) #116432 (rustdoc: rename issue-\d+.rs tests to have meaningful names (part 2))

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[workingjubilee]

@bors r+ rollup=never p=5

[bors]

📌 Commit 4a14a80 has been approved by workingjubilee

It is now in the queue for this repository.

[bors]

⌛ Testing commit 4a14a80 with merge e293927...

[bors]

☀️ Test successful - checks-actions
Approved by: workingjubilee
Pushing e293927 to master...

[rust-timer]

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#116223	Fix misuses of a vs an	8180bc4cd7a143d6c2511b26d711033321c835e8 (link)
#116296	More accurately point to where default return type should go	0790373ec6c294f01256be975f1f340a75e8fbf4 (link)
#116429	Diagnostics: Be more careful when suggesting struct fields	e7b768280d64ca945a1f8021ae8244ff86ab7ba4 (link)
#116431	Tweak wording of E0562	9ff98d3f87f7da84a376bebb5ad25309c6398ae7 (link)
#116432	rustdoc: rename issue-\d+.rs tests to have meaningful nam…	7455a154877ad3581766b5dc912b3359179dc978 (link)

previous master: 5236c8e1fa

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 (e293927): comparison URL.

Overall result: ✅ improvements - 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)	-	-	0
Improvements ✅ (primary)	-0.7%	[-0.8%, -0.7%]	4
Improvements ✅ (secondary)	-0.5%	[-0.7%, -0.1%]	8
All ❌✅ (primary)	-0.7%	[-0.8%, -0.7%]	4

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
Regressions ❌ (secondary)	3.3%	[3.3%, 3.3%]	1
Improvements ✅ (primary)	-2.8%	[-3.5%, -2.1%]	2
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-2.8%	[-3.5%, -2.1%]	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: 623.632s -> 622.455s (-0.19%)
Artifact size: 272.04 MiB -> 272.04 MiB (0.00%)