Update rustc-perf submodule

[Kobzol]

To bring in rust-lang/rustc-perf#2520, which should unblock #160527.

[rustbot]

r? @jieyouxu

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The reviewer was selected based on:

• Fallback group: @Mark-Simulacrum, @jieyouxu
• @Mark-Simulacrum, @jieyouxu expanded to Mark-Simulacrum, jieyouxu
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[rustbot]

⚠️ Warning ⚠️

• Some commits in this PR modify submodules.

  If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

[Kobzol]

@bors try @rust-timer queue

[jieyouxu]

Thanks, r=me if perf is unborked

View changes since this review

[rust-bors]

☀️ Try build successful (CI)
Build commit: 5a89b81 (5a89b81fc99809e2ae0f6a9dd1d9d71d1db4fa4d)
Base parent: 22950ab (22950ab9e29e11620a10905f027f141ea126966e)

[rust-timer]

Finished benchmarking commit (5a89b81): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking means the PR may be perf-sensitive. It's automatically marked not fit for rolling up. Overriding is possible but disadvised: it risks changing compiler perf.

@bors rollup=never rustc-perf
@rustbot label: -S-waiting-on-perf -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.3%	[-0.6%, -0.2%]	10
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (secondary 1.9%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	1.9%	[1.3%, 2.5%]	2
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Cycles

Results (secondary -2.1%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	4.9%	[2.3%, 9.0%]	3
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-9.1%	[-14.4%, -3.4%]	3
All ❌✅ (primary)	-	-	0

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 454.551s -> 456.486s (0.43%)
Artifact size: 399.93 MiB -> 399.06 MiB (-0.22%)