Re: no conversion from char[] to char* on function calls under circumstances [was: A bug?]

[Jan Engelhardt <jengelh at medozas dot de>]

On Tuesday 2008-12-16 18:43, Michel Van den Bergh wrote:
> Andrew Haley wrote:
>> Andrew Thomas Pinski wrote:
>>   
>> > C++98 is not C99 :) there is no rvalue to lvalue conversion for rvalue
>> > arrays in C++98. Also this code is still undefined C99 but will most
>> > likely become valid C1x.
>>
>> Ah, it's an rvalue array.  Good point.
>>   
> Ok now I understand. I assume this behaviour is not triggered often as in C it
> is
> not so common to have an array which is an rvalue.

Is not this a use of an rvalue array too?:

#include <stdio.h>

int main(void)
{
        printf("%p\n", (struct { char x[20]; }){{"Hello"}}.x);
}

This one actually works fine. So maybe it's really limited to
the case where a function returning a struct is involved.