foo.cpp: In function 'int main()':
foo.cpp:19:6: error: name lookup of 'i' changed for ISO 'for' scoping [-fpermissive]
foo.cpp:19:6: note: (if you use '-fpermissive' G++ will accept your code)
foo.cpp:45:10: error: name lookup of 'j' changed for ISO 'for' scoping [-fpermissive]