update Miri

[RalfJung]

Fixes #98599
r? @ghost

[rustbot]

Some changes occurred in src/tools/miri

cc @rust-lang/miri

[RalfJung]

@bors r+ p=1

[bors]

📌 Commit 4355199 has been approved by RalfJung

[bors]

⌛ Testing commit 4355199 with merge 7b68106...

[bors]

☀️ Test successful - checks-actions
Approved by: RalfJung
Pushing 7b68106 to master...

[rust-highfive]

📣 Toolstate changed by #98698!

Tested on commit 7b68106.
Direct link to PR: #98698

🎉 miri on windows: build-fail → test-pass (cc @RalfJung @oli-obk).
🎉 miri on linux: build-fail → test-pass (cc @RalfJung @oli-obk).

[rust-timer]

Finished benchmarking commit (7b68106): comparison url.

Instruction count

• Primary benchmarks: no relevant changes found
• Secondary benchmarks: 🎉 relevant improvements found

	mean1	max	count2
Regressions 😿 (primary)	N/A	N/A	0
Regressions 😿 (secondary)	N/A	N/A	0
Improvements 🎉 (primary)	N/A	N/A	0
Improvements 🎉 (secondary)	-1.5%	-1.5%	2
All 😿🎉 (primary)	N/A	N/A	0

Max RSS (memory usage)

Results

• Primary benchmarks: 🎉 relevant improvement found
• Secondary benchmarks: 🎉 relevant improvements found

	mean1	max	count2
Regressions 😿 (primary)	N/A	N/A	0
Regressions 😿 (secondary)	N/A	N/A	0
Improvements 🎉 (primary)	-3.3%	-3.3%	1
Improvements 🎉 (secondary)	-3.2%	-4.4%	3
All 😿🎉 (primary)	-3.3%	-3.3%	1

Cycles

Results

• Primary benchmarks: 😿 relevant regressions found
• Secondary benchmarks: no relevant changes found

	mean1	max	count2
Regressions 😿 (primary)	2.8%	3.3%	2
Regressions 😿 (secondary)	N/A	N/A	0
Improvements 🎉 (primary)	N/A	N/A	0
Improvements 🎉 (secondary)	N/A	N/A	0
All 😿🎉 (primary)	2.8%	3.3%	2

If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf.

@rustbot label: -perf-regression

Footnotes

1. the arithmetic mean of the percent change ↩ ↩² ↩³

2. number of relevant changes ↩ ↩² ↩³