Add codegen test for issue 103840

[clubby789]

Closes #103840

[rustbot]

r? @Mark-Simulacrum

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[nikic]

@bors r+ rollup=never codegen test

[bors]

📌 Commit 771a2eb has been approved by nikic

It is now in the queue for this repository.

[bors]

⌛ Testing commit 771a2eb with merge 41de7d01ceed5927a61195375b882aa2e9c811f1...

[bors]

💔 Test failed - checks-actions

[rust-log-analyzer]

The job x86_64-gnu-tools failed! Check out the build log: (web) (plain)

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

.......... (90/97)
.......    (97/97)


/checkout/src/test/rustdoc-gui/code-sidebar-toggle.goml code-sidebar-toggle... FAILED
[ERROR] (line 4) Error: Execution context was destroyed, most likely because of a navigation.: for command `wait-for: "#src-sidebar-toggle"`
Build completed unsuccessfully in 0:02:36

[nikic]

@bors retry #93784

[bors]

⌛ Testing commit 771a2eb with merge 23b1cc1...

[bors]

☀️ Test successful - checks-actions
Approved by: nikic
Pushing 23b1cc1 to master...

[rust-timer]

Finished benchmarking commit (23b1cc1): 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)	2.4%	[2.4%, 2.4%]	1
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-5.1%	[-5.1%, -5.1%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-1.4%	[-5.1%, 2.4%]	2

Cycles

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