compile.c: fix lhs splat in massign
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
compile.c: fix lhs splat in massign
append rhs value to it like POSTARG, since VM_CALL_ARGS_SPLAT
splats the last argument only. [ruby-core:72777] [Bug #11970]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e