Index: iseq.c
===================================================================
--- iseq.c	(revision 21430)
+++ iseq.c	(working copy)
@@ -1449,11 +1449,7 @@
     rb_define_method(rb_cISeq, "disassemble", ruby_iseq_disasm, 0);
     rb_define_method(rb_cISeq, "to_a", iseq_to_a, 0);
     rb_define_method(rb_cISeq, "eval", iseq_eval, 0);
-
-    /* disable this feature because there is no verifier. */
-    /* rb_define_singleton_method(rb_cISeq, "load", iseq_s_load, -1); */
-    (void)iseq_s_load;
-
+    rb_define_singleton_method(rb_cISeq, "load", iseq_s_load, -1);
     rb_define_singleton_method(rb_cISeq, "compile", iseq_s_compile, -1);
     rb_define_singleton_method(rb_cISeq, "new", iseq_s_compile, -1);
     rb_define_singleton_method(rb_cISeq, "compile_file", iseq_s_compile_file, -1);