[PERF ONLY] rustdoc stringdex update

[notriddle]

https://gitlab.com/notriddle/stringdex/-/merge_requests/25

[notriddle]

@bors try @rust-timer queue

[rust-log-analyzer]

The job tidy failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

linting javascript files and applying suggestions
Running eslint on rustdoc JS files
info: ES-Check: there were no ES version matching errors!  🎉
typechecking javascript files
../src/librustdoc/html/static/js/stringdex.js(2335,17): error TS2322: Type 'Uint8Array<ArrayBufferLike>' is not assignable to type 'Uint8Array<ArrayBuffer>'.
  Type 'ArrayBufferLike' is not assignable to type 'ArrayBuffer'.
    Type 'SharedArrayBuffer' is not assignable to type 'ArrayBuffer'.
      Types of property '[Symbol.toStringTag]' are incompatible.
        Type '"SharedArrayBuffer"' is not assignable to type '"ArrayBuffer"'.
../src/librustdoc/html/static/js/stringdex.js(2348,21): error TS2322: Type 'Uint8Array<ArrayBufferLike>' is not assignable to type 'Uint8Array<ArrayBuffer>'.
  Type 'ArrayBufferLike' is not assignable to type 'ArrayBuffer'.
    Type 'SharedArrayBuffer' is not assignable to type 'ArrayBuffer'.
      Types of property '[Symbol.toStringTag]' are incompatible.
        Type '"SharedArrayBuffer"' is not assignable to type '"ArrayBuffer"'.
tidy [extra_checks]: checks with external tool 'tsc' failed
tidy [extra_checks]: FAIL
tidy: The following check failed: extra_checks
Command `/checkout/obj/build/x86_64-unknown-linux-gnu/stage1-tools-bin/rust-tidy /checkout /checkout/obj/build/x86_64-unknown-linux-gnu/stage0/bin/cargo /checkout/obj/build 4 /node/bin/yarn --extra-checks=py,cpp,js,spellcheck` failed with exit code 1
Created at: src/bootstrap/src/core/build_steps/tool.rs:1612:23
Executed at: src/bootstrap/src/core/build_steps/test.rs:1320:29

Command has failed. Rerun with -v to see more details.
Bootstrap failed while executing `test src/tools/tidy tidyselftest --extra-checks=py,cpp,js,spellcheck`
Build completed unsuccessfully in 0:03:01
  local time: Thu Dec 11 19:02:09 UTC 2025
  network time: Thu, 11 Dec 2025 19:02:09 GMT
##[error]Process completed with exit code 1.

[rust-bors]

☀️ Try build successful (CI)
Build commit: 032b906 (032b906243bfa5eb6e1ab0349b24b05a55caf840, parent: f5209000832c9d3bc29c91f4daef4ca9f28dc797)

[rust-timer]

Finished benchmarking commit (032b906): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

@bors rollup=never
@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)	-0.2%	[-0.2%, -0.2%]	1
Improvements ✅ (secondary)	-0.3%	[-0.5%, -0.2%]	3
All ❌✅ (primary)	-0.2%	[-0.2%, -0.2%]	1

Max RSS (memory usage)

Results (primary -4.3%, secondary -0.1%)

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)	2.8%	[2.8%, 2.8%]	1
Improvements ✅ (primary)	-4.3%	[-4.3%, -4.3%]	1
Improvements ✅ (secondary)	-3.0%	[-3.0%, -3.0%]	1
All ❌✅ (primary)	-4.3%	[-4.3%, -4.3%]	1

Cycles

Results (primary -2.9%, secondary 4.6%)

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)	4.6%	[4.6%, 4.6%]	1
Improvements ✅ (primary)	-2.9%	[-2.9%, -2.9%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-2.9%	[-2.9%, -2.9%]	1

Binary size

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

Bootstrap: 472.896s -> 474.902s (0.42%)
Artifact size: 389.04 MiB -> 389.06 MiB (0.01%)