Cache supertrait outlives of impl header for soundness check

[compiler-errors]

This caches the results of computing the transitive supertraits of an impl and filtering it to its outlives obligations. This is purely an optimization to improve #124336.

[compiler-errors]

@bors try @rust-timer queue

[bors]

⌛ Trying commit 7922852 with merge 5be154b...

[bors]

☀️ Try build successful - checks-actions
Build commit: 5be154b (5be154bd2b4d880f623f032aa79511f15898167d)

[rust-timer]

Finished benchmarking commit (5be154b): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request likely means that it is perf-sensitive, so we're automatically marking it as not fit for rolling up. While you can manually mark this PR as fit for rollup, we strongly recommend not doing so since this PR may lead to changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -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)	0.1%	[0.1%, 0.2%]	3
Improvements ✅ (primary)	-0.6%	[-1.2%, -0.2%]	66
Improvements ✅ (secondary)	-1.6%	[-3.9%, -0.2%]	37
All ❌✅ (primary)	-0.6%	[-1.2%, -0.2%]	66

Max RSS (memory usage)

Results (primary -1.4%, secondary -1.4%)

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)	2.8%	[0.9%, 5.2%]	3
Improvements ✅ (primary)	-1.4%	[-3.1%, -0.4%]	4
Improvements ✅ (secondary)	-3.9%	[-5.2%, -3.1%]	5
All ❌✅ (primary)	-1.4%	[-3.1%, -0.4%]	4

Cycles

Results (primary -1.6%, secondary -3.7%)

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)	-1.6%	[-2.7%, -0.8%]	11
Improvements ✅ (secondary)	-3.7%	[-5.6%, -2.0%]	21
All ❌✅ (primary)	-1.6%	[-2.7%, -0.8%]	11

Binary size

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

Bootstrap: 760.99s -> 757.42s (-0.47%)
Artifact size: 336.87 MiB -> 336.84 MiB (-0.01%)

[compiler-errors]

r? @lcnr

[lcnr]

@bors r+ rollup=never

[bors]

📌 Commit 7922852 has been approved by lcnr

It is now in the queue for this repository.

[bors]

⌛ Testing commit 7922852 with merge 48090b1...

[bors]

☀️ Test successful - checks-actions
Approved by: lcnr
Pushing 48090b1 to master...

[rust-timer]

Finished benchmarking commit (48090b1): 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)	0.2%	[0.2%, 0.2%]	1
Regressions ❌ (secondary)	0.0%	[0.0%, 0.0%]	1
Improvements ✅ (primary)	-0.5%	[-1.3%, -0.2%]	69
Improvements ✅ (secondary)	-1.8%	[-3.8%, -0.2%]	30
All ❌✅ (primary)	-0.5%	[-1.3%, 0.2%]	70

Max RSS (memory usage)

Results (primary -0.8%, secondary -3.2%)

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)	0.5%	[0.5%, 0.5%]	1
Regressions ❌ (secondary)	2.9%	[2.9%, 2.9%]	1
Improvements ✅ (primary)	-1.2%	[-1.4%, -1.2%]	3
Improvements ✅ (secondary)	-4.4%	[-5.8%, -2.8%]	5
All ❌✅ (primary)	-0.8%	[-1.4%, 0.5%]	4

Cycles

Results (primary -1.0%, secondary -3.3%)

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)	-1.0%	[-1.1%, -0.8%]	3
Improvements ✅ (secondary)	-3.3%	[-4.2%, -2.4%]	14
All ❌✅ (primary)	-1.0%	[-1.1%, -0.8%]	3

Binary size

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

Bootstrap: 762.637s -> 760.23s (-0.32%)
Artifact size: 339.23 MiB -> 339.28 MiB (0.01%)