* iseq.c (Init_ISeq): undef ISeq.translate and ISeq.load_iseq

  to prevent calling super classes' methods.

  Without this patch, you can write workaround like:

    class << RubyVM::InstructionSequence
      def translate; end
      undef translate
    end

* test/ruby/test_iseq.rb: add a test.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55656 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 0 deletions

diff --git a/iseq.c b/iseq.c
index 28d35eb328..1c22fea74d 100644
--- a/iseq.c
+++ b/iseq.c
@@ -2462,4 +2462,7 @@ Init_ISeq(void)
     rb_define_singleton_method(rb_cISeq, "disasm", iseqw_s_disasm, 1);
     rb_define_singleton_method(rb_cISeq, "disassemble", iseqw_s_disasm, 1);
     rb_define_singleton_method(rb_cISeq, "of", iseqw_s_of, 1);
+
+    rb_undef_method(CLASS_OF(rb_cISeq), "translate");
+    rb_undef_method(CLASS_OF(rb_cISeq), "load_iseq");
 }