* vm_method.c (rb_alias): fix a case which try non-existing method alias.

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



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24145 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ruby/test_alias.rb b/test/ruby/test_alias.rb
index 10fd8f1112..f66c4a6340 100644
--- a/test/ruby/test_alias.rb
+++ b/test/ruby/test_alias.rb
@@ -61,4 +61,12 @@ class TestAlias < Test::Unit::TestCase
     }.call
     assert_raise(SecurityError) { d.mm }
   end
+
+  def test_nonexistmethod
+    assert_raise(NameError){
+      Class.new{
+        alias_method :foobarxyzzy, :barbaz
+      }
+    }
+  end
 end