Build failure occurs due to a 'duplicate member' error when a callback with two unnamed arguments is defined in the IL2CPP scripting backend in the development build

Library/Bee/artifacts/Android/il2cppOutput/cpp/Assembly-CSharp.cpp(341,17): error: duplicate member '_____RuntimeObject'
        RuntimeObject* _____RuntimeObject;
                       ^
Library/Bee/artifacts/Android/il2cppOutput/cpp/Assembly-CSharp.cpp(340,17): note: previous declaration is here
        RuntimeObject* _____RuntimeObject;
                       ^
Library/Bee/artifacts/Android/il2cppOutput/cpp/Assembly-CSharp.cpp(652,3): error: no matching function for call to 'Object__ctor_mE837C6B9FA8C6D5D109F4B2EC885D79919AC0EA2'
                Object__ctor_mE837C6B9FA8C6D5D109F4B2EC885D79919AC0EA2(__this, NULL);
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Library/Bee/artifacts/Android/il2cppOutput/cpp/Assembly-CSharp.cpp(425,41): note: candidate function not viable: no known conversion from 'U3CU3CBadMethodU3Eb__0_0U3Ed_t675A34303F68F700784CA87ACF8EA15AF41D38D2 *' to 'RuntimeObject ' (aka 'Il2CppObject ') for 1st argument
IL2CPP_EXTERN_C IL2CPP_METHOD_ATTR void Object__ctor_mE837C6B9FA8C6D5D109F4B2EC885D79919AC0EA2 (RuntimeObject __this, const RuntimeMethod method) ;
                                        ^
2 errors generated.

UnityEngine.GUIUtility:ProcessEvent (int,intptr,bool&) (at /Users/bokken/build/output/unity/unity/Modules/IMGUI/GUIUtility.cs:190)