* vm_insnhelper.c (vm_expandarray): use RARRAY_RAWPTR() instead of
  RARRAY_PTR() because there is no new reference.
* vm_insnhelper.c (vm_caller_setup_args): ditto.
* vm_insnhelper.c (vm_yield_setup_block_args): ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42152 b2dd03c8-39d4-4d8f-98ff-823fe69b080e