g++编译错误但cl编译成功

Question

/*

• file: 1config3.cc
• test class template contain static data members
• test __STL_STATIC_TEMPLATE_MEMBER_BUG,defined in
• ref c++ primer 3/e p.839 *
• * */ #include using namespace std; template class testClass{ public: static int _data; }; //define for static data member (allocate memory ,init) int testClass::_data=1; int testClass::_data=2; int main(){ cout<::_data<::_data< obji1,obji2; testClass objc1,objc2; cout<<obji1._data<<endl; cout<<obji2._data<<endl; cout<<objc1._data<<endl; cout<<objc2._data<<endl; obji1._data=3; objc2._data=4; cout<<obji1._data<<endl; cout<<obji2._data<<endl; cout<<objc1._data<<endl; cout<<objc2._data<<endl; cin.get(); }