fix: get the l4re target working again

[hargoniX]

This is based on work from #103966, addressing the review comment by @m-ou-se at the time and "fixing" the (probably newly) missing read_buf.

[rustbot]

r? @Mark-Simulacrum

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[Mark-Simulacrum]

@bors r+

[bors]

📌 Commit 8246662 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

[bors]

⌛ Testing commit 8246662 with merge ed7281e...

[bors]

☀️ Test successful - checks-actions
Approved by: Mark-Simulacrum
Pushing ed7281e to master...

[rust-timer]

Finished benchmarking commit (ed7281e): 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)	-	-	0
Regressions ❌ (secondary)	3.0%	[3.0%, 3.0%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-3.0%	[-3.0%, -3.0%]	1
All ❌✅ (primary)	-	-	0

Cycles

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)	1.3%	[1.1%, 1.5%]	2
Regressions ❌ (secondary)	1.6%	[1.6%, 1.6%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	1.3%	[1.1%, 1.5%]	2

Binary size

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

Bootstrap: 656.398s -> 655.45s (-0.14%)