ARM64: Fix assembly of HREFK (again). #2743

Job	Run time
LuaJIT (Linux/ARM64) Debug GC64:ON CC:gcc	3m 33s
LuaJIT (Linux/x86_64) Debug GC64:ON CC:gcc	3m 33s
LuaJIT (macOS/ARM64) Debug GC64:ON CC:clang	1m 9s
LuaJIT (Linux/ARM64) Release GC64:ON CC:gcc	2m 21s
LuaJIT (Linux/x86_64) Release GC64:OFF CC:clang	1m 0s
LuaJIT (Linux/x86_64) Debug GC64:ON CC:clang	3m 27s
LuaJIT (macOS/ARM64) Release GC64:ON CC:clang	43s
LuaJIT (macOS/x86_64) Release GC64:ON CC:clang	52s
LuaJIT (Linux/x86_64) Release GC64:OFF CC:gcc	37s
LuaJIT (Linux/x86_64) Debug GC64:OFF CC:clang	41s
LuaJIT (macOS/x86_64) Debug GC64:ON CC:clang	1m 18s
LuaJIT (Linux/x86_64) Release GC64:ON CC:clang	2m 50s
LuaJIT (Linux/x86_64) Debug GC64:OFF CC:gcc	34s
LuaJIT (Linux/x86_64) Release GC64:ON CC:gcc	2m 52s
Tarantool (macOS/x86_64) Release GC64:ON / luajit-integration	3m 14s
Tarantool (macOS/ARM64) Debug GC64:ON / luajit-integration	2m 22s
Tarantool (macOS/ARM64) Release GC64:ON / luajit-integration	2m 9s
Tarantool (Linux/x86_64) Debug GC64:ON / luajit-integration	7m 22s
Tarantool (Linux/ARM64) Release GC64:ON / luajit-integration	6m 57s
Tarantool (Linux/x86_64) Debug GC64:OFF / luajit-integration	4m 3s
Tarantool (Linux/x86_64) Release GC64:ON / luajit-integration	6m 11s
Tarantool (Linux/x86_64) Release GC64:OFF / luajit-integration	4m 53s
Tarantool (Linux/ARM64) Debug GC64:ON / luajit-integration	7m 34s
Tarantool (macOS/x86_64) Debug GC64:ON / luajit-integration	3m 43s
	1h 13m 58s

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