Copy local frame to heap for closure if nessery
Support compile OP_STRCAT
Bug fix for type infomation of OP_STRING
Bug fix for proc_gc.rb
Merge master
Repace to emit_local_var*
Change C function emit method
Replace xor instraction to emit_load_literal
ENABLE_DEBUG disable supported
Bug fix for DEBUG (profiler) mode
Add emit_vm_var_*