* eval.c (rb_eval), gc.c (gc_mark_children), node.h (NEW_ALIAS,

  NEW_VALIAS), parse.y (fitem): allow dynamic symbols to
  NODE_UNDEF and NODE_ALIAS.
  backported from trunk.  fixed: [ruby-dev:28105]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@9738 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 4 insertions, 3 deletions

diff --git a/eval.c b/eval.c
index 719860a47..40599b589 100644
--- a/eval.c
+++ b/eval.c
@@ -3889,7 +3889,7 @@ rb_eval(self, n)
 	if (NIL_P(ruby_class)) {
 	    rb_raise(rb_eTypeError, "no class to undef method");
 	}
-	rb_undef(ruby_class, node->nd_mid);
+	rb_undef(ruby_class, rb_to_id(rb_eval(self, node->u2.node)));
 	result = Qnil;
 	break;
 
@@ -3897,12 +3897,13 @@ rb_eval(self, n)
 	if (NIL_P(ruby_class)) {
 	    rb_raise(rb_eTypeError, "no class to make alias");
 	}
-	rb_alias(ruby_class, node->nd_new, node->nd_old);
+	rb_alias(ruby_class, rb_to_id(rb_eval(self, node->u1.node)),
+		             rb_to_id(rb_eval(self, node->u2.node)));
 	result = Qnil;
 	break;
 
       case NODE_VALIAS:
-	rb_alias_variable(node->nd_new, node->nd_old);
+	rb_alias_variable(node->u1.id, node->u2.id);
 	result = Qnil;
 	break;