Fix load alignment being applied to referenced value #2202

Job	Run time
build_system	42s
build (gcc-13.deb, --mini-tests)	6m 47s
duplicates	2s
build (gcc-13.deb, --std-tests)	6m 51s
build (gcc-13.deb, --test-libcore)	13m 45s
build (gcc-13.deb, --extended-rand-tests)	10m 22s
build (gcc-13.deb, --extended-regex-example-tests)	8m 20s
build (gcc-13.deb, --extended-regex-tests)	11m 47s
build (gcc-13.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	16m 58s
build (gcc-13.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	19m 40s
build (gcc-13.deb, --projects)	18m 30s
build (gcc-13-without-int128.deb, --mini-tests)	7m 51s
build (gcc-13-without-int128.deb, --std-tests)	7m 22s
build (gcc-13-without-int128.deb, --test-libcore)	12m 53s
build (gcc-13-without-int128.deb, --extended-rand-tests)	9m 32s
build (gcc-13-without-int128.deb, --extended-regex-example-tests)	8m 56s
build (gcc-13-without-int128.deb, --extended-regex-tests)	11m 59s
build (gcc-13-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 0)	19m 2s
build (gcc-13-without-int128.deb, --test-successful-rustc --nb-parts 2 --current-part 1)	17m 9s
build (gcc-13-without-int128.deb, --projects)	18m 22s
	3h 46m 50s

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