* marshal.c (struct {dump,load}_arg): manage with dfree, instead
of using local variable which may be moved by context switch.
[ruby-dev:39425]
* marshal.c (mark_dump_arg): mark destination string. patch by
Vit Ondruch. [Bug #4339]
* marshal.c (clear_dump_arg, clear_load_arg): clean up also data
tables as same as symbols tables.
merge revision(s) 25230,34866:
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@34867 b2dd03c8-39d4-4d8f-98ff-823fe69b080e