compile source code error

[hnlyjjddll]

I download source code and change nothing. but compile error. the error log as follows:
hello_world.cpp:24:5: required from here
cpp11/impl.h:86:42: error: cannot bind non-const lvalue reference of type ‘testing::internal::MockSpec<int()>&’ to an rvalue of type ‘testing::internal::MockSpec<int()>’
return gmocker.With(p ...);

[eraser0]

this is a bug which didn't reported by the older versions gcc, here is the patch to fix it

diff --git a/cpp11/impl.h b/cpp11/impl.h
index 7eddd48..f0b9dd7 100644
--- a/cpp11/impl.h
+++ b/cpp11/impl.h
@@ -80,7 +80,7 @@ namespace EasyMock
                 return gmocker.Invoke(p ...);
             }
 
-            ::testing::MockSpec<R(P...)>& gmock_EasyMockStubFunction(const ::testing::Matcher<P>&... p)
+            ::testing::MockSpec<R(P...)> gmock_EasyMockStubFunction(const ::testing::Matcher<P>&... p)
             {
                 gmocker.RegisterOwner(this);
                 return gmocker.With(p ...);

the gmocker.With(p ...) will create a local var, and a copy is necessary before return