symqemu aborted when using the qemu plugin function

```shell
2204@ubuntu2204:~/symqemu/build$ ./qemu-x86_64 -plugin ./tests/plugin/libbb.so /bin/ls
This is SymCC running with the QSYM backend
qemu-x86_64: ../accel/tcg/plugin-gen.c:281: copy_op: Assertion `(*begin_op)->opc == opc' failed.
Aborted (core dumped)
```
