fatal error C1001: INTERNAL COMPILER ERROR

[南气子水]

重装VC，依然这样报错。

#include <iostream>
using namespace std;

class Complex
{
private:
	double m_dReal;
	double m_dImage;
public:
	Complex(double real=0,double image=0)
	{
		this->m_dReal = real;
		this->m_dImage =image;
	}
	friend Complex operator+(Complex com1,Complex com2);//友元函数重载双目运算符+
	void ShowSum();
};

Complex operator+(Complex com1,Complex com2)//友元函数重载双目运算符+
{
	return Complex(com1.m_dReal+com2.m_dReal,com1.m_dImage+com2.m_dImage);//注意这里的返回方式
}
void Complex::ShowSum()
{
	cout<<m_dReal;
	if(m_dImage>0)
	{
		cout<<"+";
	}
	if(m_dImage!=0)
	{
		cout<<m_dImage<<"i"<<endl;
	}
}
int main()
{
	Complex com1(10,10),com2(20,-20),sum;
	sum = operator+(com1,com2);
	//sum = com1 + com2;//或sum=operator+(com1,com2)
	
	sum.ShowSum();
	//cout<<"sum的实数部分为"<<sum.m_dReal<<endl;
	//cout<<"sum的虚数部分为"<<sum.m_dImage<<endl;
	
	return 0;
}

[quwei197874]

const Complex operator+(const Complex& com1,const Complex& com2)//友元函数重载双目运算符+
{
Complex ret(com1);
ret += rhs;
return ret;
}
再定义+=
COmplex operator+=(const Complex& other)
{
m_dRea += other.m_dRea;
...
return*this;
}