RFC: bug in combine

[Florian Weimer]

* Florian Weimer:

> * Dale Johannesen:
>
>> The test of f->b comes out as
>>
>>   testl  $1048512, 73(%eax)
>>
>> This is wrong, because 4 bytes starting at 73 goes outside the
>> original object and can cause a page fault.
>
> sizeof (struct Flags) is 76, so this isn't a bug, IMHO.

Scratch that, I obviously cannot count. 8-(

Anyway, why is GCC emitting an unaligned load?  This is very strange
indeed, and fixing this should both increase code quality and
eliminate the page fault problem.