Update to LLVM 16.0.1

[nikic]

Update to current release/16.x branch. I've opted for a rebase to get rid of all our custom cherry-picks.

Fixes #109775.

r? @cuviper

[rustbot]

⚠️ Warning ⚠️

• These commits modify submodules.

[cuviper]

You included the post-release bump to 16.0.2, which means rustc -Vv will report it as such. Is it too late to redo that? (I don't remember if we have branch protection against force pushes on the repo...)

[nikic]

You included the post-release bump to 16.0.2, which means rustc -Vv will report it as such. Is it too late to redo that? (I don't remember if we have branch protection against force pushes on the repo...)

We have:

! [remote rejected] rustc/16.0-2023-04-05 -> rustc/16.0-2023-04-05 (protected branch hook declined)

[cuviper]

Ah, oh well, not a big deal.

@bors r+ rollup=never

[bors]

📌 Commit 2175dab has been approved by cuviper

It is now in the queue for this repository.

[bors]

⌛ Testing commit 2175dab with merge ce3cb03...

[bors]

☀️ Test successful - checks-actions
Approved by: cuviper
Pushing ce3cb03 to master...

[rust-timer]

Finished benchmarking commit (ce3cb03): 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
Regressions ❌ (secondary)	1.5%	[1.5%, 1.5%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-3.8%	[-4.4%, -3.4%]	3
All ❌✅ (primary)	-	-	0

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)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.5%	[-2.7%, -2.4%]	2
All ❌✅ (primary)	-	-	0