Fix aarch64-unknown-linux-gnu_ilp32 target

[Amanieu]

This was broken because the synthetic object files produced by rustc were for 64-bit AArch64, which caused link failures when combined with 32-bit ILP32 object files.

This PR updates the object crate to 0.30.1 which adds support for generating ILP32 AArch64 object files.

[rustbot]

r? @Mark-Simulacrum

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[Amanieu]

cc @bjorn3 -- The cranelift backend still uses object v0.29 since it seems to be tied to cranelift's use of the object crate.

[bjorn3]

That should be fine, right? cg_clif doesn't mix the object version used by rustc with the one compiled when building cg_clif. It also doesn't have an effect on this target being supported or not as Cranelift doesn't support 32bit pointers on AArch64 anyway.

[Amanieu]

Yes it should be fine, it was just FYI.

[Mark-Simulacrum]

@bors r+ rollup=iffy

[bors]

📌 Commit a529ba8 has been approved by Mark-Simulacrum

It is now in the queue for this repository.

[bors]

⌛ Testing commit a529ba8 with merge 44a500c...

[bors]

☀️ Test successful - checks-actions
Approved by: Mark-Simulacrum
Pushing 44a500c to master...

[rust-timer]

Finished benchmarking commit (44a500c): comparison URL.

Overall result: ✅ improvements - no action needed

@rustbot label: -perf-regression

Instruction count

This is a highly reliable metric that was used to determine the overall result at the top of this comment.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-1.3%	[-1.3%, -1.3%]	1
All ❌✅ (primary)	-	-	0

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)	3.6%	[3.1%, 4.1%]	2
Improvements ✅ (primary)	-2.3%	[-2.3%, -2.3%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-2.3%	[-2.3%, -2.3%]	1

Cycles

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