Update to ruby/spec@875a09e

spec/ruby/core/thread/value_spec.rb

@@ -11,11 +11,21 @@ describe "Thread#value" do
       Thread.current.report_on_exception = false
       raise "Hello"
     }
-    lambda { t.value }.should raise_error(RuntimeError, "Hello")
+    -> { t.value }.should raise_error(RuntimeError, "Hello")
   end
 
   it "is nil for a killed thread" do
     t = Thread.new { Thread.current.exit }
     t.value.should == nil
   end
+
+  it "returns when the thread finished" do
+    q = Queue.new
+    t = Thread.new {
+      q.pop
+    }
+    -> { t.value }.should block_caller
+    q.push :result
+    t.value.should == :result
+  end
 end