GNU C: Implicit int and implicit function definitions

[Florian Weimer]

On 05/20/2016 11:22 AM, Andreas Schwab wrote:
> Florian Weimer <fweimer@redhat.com> writes:
>
>> C99 got rid of implicit function definitions and implicit ints.  Would it
>> be possible to remove them retroactively from the -std=gnu99 and
>> -std=gnu11 language variants (as well as -std=c99 and -std=c11), so that
>> they are rejected by default?
>
> -Werror=implicit-int -Werror=implicit-function-declaration

I want the default changed.  (I thought this was sufficiently clear from 
my message.)

Florian