Wfloat-equal -Wredundant-decls -Wpointer-arith -Wlogical-op -Wdouble-promotion -Wduplicated-cond -Wduplicated-branches -Wcast-align=strict -Wshadow=global -MD -MT test.cpp.o -MF test.cpp.o.d -o test.cpp.o -c test.cpp test.cpp: error: -Wno-implicit-int detected - is this ...