View Compilation Error

0_0_36599751_30877.cpp: In function 'int main()':
0_0_36599751_30877.cpp:6:14: error: '__builtin_popcount' is not a member of 'std'
         puts(std::__builtin_popcount((a+b)/std::__gcd(a,b))==1?"Yes":"No");
              ^
0_0_36599751_30877.cpp:6:14: note: suggested alternative:
<built-in>: note:   '__builtin_popcount'