IMA corner case with forward declarations of statics

[Dale Johannesen]

On Jun 24, 2004, at 11:48 AM, Zack Weinberg wrote:
> Dale Johannesen <dalej@apple.com> writes:
>
>> However, 6.2.2 makes it clear that the order does matter,
>> and the reverse order is undefined behavior.  (Which does not mean we
>> have to treat it as an error; you and I both thought this was valid,
>> and I'm sure I've seen it done that way.  Disallowing it is sure to
>> break existing code.)
>
> Yeah, and there are examples in GCC's own source.  I'm thinking
> mandatory warning in normal mode, error in IMA mode.

I really don't think IMA mode ought to affect semantics.  The
result of building and running a program in IMA mode should be the
same as with separate compilation, but possibly better optimized, IMO.