class.c: fix duplication of prepended module

* class.c (include_class_new): fix duplication of prepended module.
  since m_tbl of prepended module is always zero, copy from its
  copy iclass of original.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36585 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/class.c b/class.c
index d81c093c9c..1253ce80b7 100644
--- a/class.c
+++ b/class.c
@@ -636,7 +636,7 @@ include_class_new(VALUE module, VALUE super)
     }
     RCLASS_IV_TBL(klass) = RCLASS_IV_TBL(module);
     RCLASS_CONST_TBL(klass) = RCLASS_CONST_TBL(module);
-    RCLASS_M_TBL(klass) = RCLASS_M_TBL(module);
+    RCLASS_M_TBL(klass) = RCLASS_M_TBL(RCLASS_ORIGIN(module));
     RCLASS_SUPER(klass) = super;
     if (RB_TYPE_P(module, T_ICLASS)) {
 	RBASIC(klass)->klass = RBASIC(module)->klass;