为什么code：：block无法捕获而vs2015可以

// cinexcp.cpp -- having cin throw an exception
#include <iostream>
#include <exception>int main()
{
using namespace std;
// have failbit cause an exception to be thrown
cin.exceptions(ios_base::failbit);
cout << "Enter numbers: ";
int sum = 0;
int input;
try {
while (cin >> input)
{
sum += input;
}
}
catch(ios_base::failure & bf)
{
cout << bf.what() << endl;
cout << "O! the horror!\n";
} cout << "Last value entered = " << input << endl;
cout << "Sum = " << sum << endl;
/* keeping output window open */
/*
cin.clear();
while (cin.get() != '\n')
continue;
cin.get();
*/ return 0;
}