WIP #2292

Job	Run time
Compiler UI	2m 4s
Check MSRV	1m 27s
Check icrate features	17m 32s
Check formatting	12s
Verify header translator output	58s
Assembly tests	6m 25s
Lint macOS 64bit	5m 50s
Test Compiler-RT	25s
Test macOS 11	9m 13s
Build macOS AArch64	6m 36s
Test GNUStep with libobjc2 v1.9	2m 7s
Lint iOS 32bit	1m 24s
Test on iOS simulator w. dinghy	9m 13s
Test macOS old SDK	6m 19s
Test GNUStep with libobjc2 v2.0	1m 48s
Lint GNUStep + exceptions	1m 58s
Test GNUStep with libobjc2 v2.1 on nightly	2m 22s
Lint header-translator	42s
Test macOS nightly	12m 5s
Test GNUStep 32bit	3m 14s
Test macOS 12	37m 34s
Lint test-assembly	30s
Build macOS 32bit	11m 37s
Build iOS simulator ARM64	3m 42s
Build iOS ARM64	3m 19s
Build iOS ARMv7	6m 56s
Build iOS ARMv7s	7m 49s
Build iOS 32bit x86	4m 30s
	2h 47m 51s

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