Metal example #2138

Job	Run time
Check MSRV	2m 14s
Lint macOS 64bit	7m 24s
Lint iOS 32bit	1m 26s
Lint GNUStep + exceptions	2m 13s
Lint header-translator	37s
Lint test-assembly	42s
Check formatting	15s
Test macOS 12	7m 13s
Compiler UI	1m 7s
Verify header translator output	56s
Assembly tests	1m 19s
Test Compiler-RT	44s
Check icrate features	0s
${{ matrix.name }}	0s
Test GNUStep with libobjc2 v1.9	3m 8s
Test GNUStep with libobjc2 v2.0	2m 46s
Test GNUStep with libobjc2 v2.1 on nightly	3m 1s
Test GNUStep 32bit	3m 28s
Test on iOS simulator w. dinghy	0s
	38m 33s

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