Rainer Tammer <tammer@tammer.net> writes:

>>> ERROR: srfi-4.test: u8 vector: u8vector? success - arguments:
>>> ((memory-allocation-error "make-u8vector" "Memory allocation error" #f
>>> #f))
>>>
>> [...]
>>
>    t = (char*)realloc(NULL, 0);
>    if (t == NULL)
>    {
>        printf("is NULL\n");
>    }
>    else
>    {
>        printf("is not NULL\n");
>    }

> Under Linux: is not NULL
> Under AIX: is NULL
>
> This is an "old" AIX difference....

Thanks for confirming this.  Could you try the attached patch (for
1.8.3) and confirm that it fixes these errors?

Thanks,
        Neil