As usual while waiting for the next release - don't forget to check the nightly builds in the forum.
#include <iostream>int main(){ for(int i=0;i<forever;i++); std::cout<<"Hello"<<std::endl; return 0;}
~/dev/main.cpp: In function ‘int main()’:~/dev/main.cpp:5:19: error: ‘forever’ was not declared in this scope