C++ code by mrnightlifelover - 6 lines

Link:

mrnightlifelover - C++, pasted on May 11:

for(
	std::list<scalar>::iterator ita = a.begin(),
	std::list<scalar>::iterator itb = b.begin();
	it != a.end();
    ita++, itb++
) {..}

Output:

1 2	Line 1: error: expected unqualified-id before 'for' compilation terminated due to -Wfatal-errors.