ref: 8fa5a4255e93fd7a3eeec24e69ae4e90ec7696b4
dir: /test/asm/multiple-charmaps.out/
main charmap $0 newcharmap map1 $6162 newcharmap map2, main $0 setcharmap map1 $6162 newcharmap map3 $1 newcharmap map4, map3 $1 $2 setcharmap map3 $1 $6364 setcharmap main $0 modify main charmap $0 $3 setcharmap map1 pushc setcharmap map2 pushc setcharmap map3 $1 $6364 $6566 popc $0 popc $6162 newcharmap map1 setcharmap map5 popc