* vm_insnhelper.c (vm_search_superclass): avoid control frame

  stack overrun. currently super() in Proc created in a method
  defined by Module#define_method raise NoMethodError. [Bug #4881]
* test/ruby/test_method.rb t_super_in_proc_from_define_method):
  add test for it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32227 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb
index 90f7ddacde..1da32791f7 100644
--- a/test/ruby/test_method.rb
+++ b/test/ruby/test_method.rb
@@ -233,6 +233,20 @@ class TestMethod < Test::Unit::TestCase
     end
   end
 
+  def test_super_in_proc_from_define_method
+    c1 = Class.new {
+      def m
+        :m1
+      end
+    }
+    c2 = Class.new(c1) { define_method(:m) { Proc.new { super() } } }
+    # c2.new.m.call should return :m1, but currently it raise NoMethodError.
+    # see [Bug #4881] and [Bug #3136]
+    assert_raise(NoMethodError) {
+      c2.new.m.call
+    }
+  end
+
   def test_clone
     o = Object.new
     def o.foo; :foo; end