[LLVMdev] Language lawyer question

[Dale Johannesen]

On Mar 12, 2008, at 8:43 AM, Daniel Berlin wrote:

> On Tue, Mar 11, 2008 at 11:42 PM, Dale Johannesen <dalej at apple.com>  
> wrote:
> Padding is allowed to be skipped in structures in this case.
> See 6.2.6.1.
> Even further, all padding is allowed to take any value no matter how
> you try to set it (IE it always allowed to have an undefined value,
> even if you memset it).
>
> We happen to allow memset to clear padding bits, but we don't have  
> to, AFAIK.

Yes, 6.2.6.1 is clear in C99, thanks.  (C90 does not seem to have a  
corresponding section, though.)

This is derived from gcc.dg/vmx/varargs-4.c from the gcc testsuite, if  
anybody feels like fixing it.