use-of-uninitialized-value in print insn metag

use-of-uninitialized-value in print insn metag: a task in MiMo-V2.6-RL-harbor-cyber: MiMo-V2.6-RL Cyber (Harbor) (Harbor dataset). MemorySanitizer: use-of-uninitialized-value in function print insn metag in file binutils-gdb/opcodes/metag-dis.c