Bug 20375 - ia64 varadic regression

[Andreas Schwab]

Andrew Pinski <pinskia@physics.uc.edu> writes:

> On Mar 8, 2005, at 10:59 AM, Nathan Sidwell wrote:
>
>> Bug 20375 is logged as a C++ bug, but it is a middle end
>> bug that cannot be expressed in C.  Here's a reduced testcase
>>
>> union U
>> {
>>   void *m[7];
>> };
>>
>> struct C;
>>
>> void f(struct C *c, float f, union U, ...)
>> { }
>
> I almost want to say this is undefined as there is no way to get
> at the varaidic arguments.

If you never invoke va_start this is not a problem.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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