zero-as-null-pointer-constant C++ trunk

[Jonny Grant <jg@xxxxxxxx>]

Hello

This is a little test case. It is not real code.

We used gcc-8 to get some warnings, but on the godbolt trunk gcc doesn't 
those warnings with this little test case. Am I missing something 
obvious? Is this an issue?

with gcc-8 only (1) of the (3) occurrences of NULL is warned.

Cheers, Jonny

myfile.cpp:100:15 error: zero as null pointer constant 
[-Werror=zero-as-null-pointer-constant]
     if(NULL == format)
                ^~~~~~


Options
-Wall -Wextra -Werror=zero-as-null-pointer-constant



#include <cstddef>

int str(const char * const format, ...)
{
    if(NULL == format)   // gcc-8 warning
    {
        return -1;
    }

    return 0;
}

int main()
{
    char * buf = NULL;

    str(buf);

    return (NULL == buf);
}