1 files changed, 12 insertions, 0 deletions
diff --git a/spec/ruby/core/kernel/lambda_spec.rb b/spec/ruby/core/kernel/lambda_spec.rb
index 4dd34c6ca9..9a960f3589 100644
--- a/spec/ruby/core/kernel/lambda_spec.rb
+++ b/spec/ruby/core/kernel/lambda_spec.rb
@@ -123,4 +123,16 @@ describe "Kernel.lambda" do
   it "allows long returns to flow through it" do
     KernelSpecs::Lambda.new.outer.should == :good
   end
+
+  it "treats the block as a Proc when lambda is re-defined" do
+    klass = Class.new do
+      def lambda (&block); block; end
+      def ret
+        lambda { return 1 }.call
+        2
+      end
+    end
+    klass.new.lambda { 42 }.should be_an_instance_of Proc
+    klass.new.ret.should == 1
+  end
 end