Merge pull request #480 from madsmtm/more-warnings #2132

Job	Run time
Check MSRV	1m 56s
Check formatting	13s
Lint macOS 64bit	6m 24s
Lint iOS 32bit	1m 23s
Lint GNUStep + exceptions	1m 49s
Lint header-translator	43s
Lint test-assembly	43s
Test macOS 12	13m 20s
Assembly tests	1m 12s
Verify header translator output	1m 24s
Check icrate features	0s
Test Compiler-RT	32s
${{ matrix.name }}	0s
Compiler UI	2m 15s
Test GNUStep with libobjc2 v1.9	2m 22s
Test GNUStep with libobjc2 v2.0	2m 20s
Test GNUStep with libobjc2 v2.1 on nightly	3m 23s
Test GNUStep 32bit	2m 21s
Test on iOS simulator w. dinghy	0s
	42m 20s

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