* marshal.c (r_object0): singleton class instance can't be loaded. (ruby-bugs-ja:PR#366)

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_6@3134 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/marshal.c b/marshal.c
index 7575fa98f7..7176bdd6cd 100644
--- a/marshal.c
+++ b/marshal.c
@@ -799,6 +799,9 @@ r_object(arg)
 	{
 	    VALUE c = rb_path2class(r_unique(arg));
 
+	    if (FL_TEST(c, FL_SINGLETON)) {
+		rb_raise(rb_eTypeError, "singleton can't be loaded");
+	    }
 	    v = r_object(arg);
 	    if (rb_special_const_p(v) || TYPE(v) == T_OBJECT || TYPE(v) == T_CLASS) {
 	      format_error: