Merge pull request #373 from rust-lang/fix/m68k #2900

Job	Run time
duplicates	4s
spell_check	13s
build_system	25s
build (gcc-15-without-int128.deb, --extended-rand-tests)	8m 48s
build (gcc-15.deb, --std-tests)	5m 52s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	13m 32s
build (gcc-15.deb, --projects)	12m 30s
build (gcc-15.deb, --test-libcore)	16m 18s
build (gcc-15-without-int128.deb, --test-libcore)	17m 5s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	13m 34s
build (gcc-15-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	12m 44s
build (gcc-15.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	14m 23s
build (gcc-15-without-int128.deb, --std-tests)	7m 17s
build (gcc-15.deb, --extended-regex-example-tests)	6m 36s
build (gcc-15-without-int128.deb, --extended-regex-tests)	11m 20s
build (gcc-15-without-int128.deb, --projects)	11m 33s
build (gcc-15.deb, --extended-regex-tests)	11m 15s
build (gcc-15.deb, --extended-rand-tests)	9m 30s
build (gcc-15-without-int128.deb, --extended-regex-example-tests)	7m 35s
success	2s
	3h 0m 36s

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