#include <iostream>

int main()
{
	char charASCII = 0;

	while (0 <= charASCII && charASCII <= 127)
	{
		charASCII++;
		std::cout << charASCII << std::endl;
	}

	system("pause");
	return 0;
}

cc1plus: warnings being treated as errors
In function 'int main()':
Line 7: warning: comparison is always true due to limited range of data type