AW: 68000 issue in longlong.h

[Torbjörn Granlund]

gmp-bugs-owner at gmplib.org writes:

  With his change the tests pass so I think the change is reasonable.

I disagree.  If I am right that the inline asm is correct, changing it
to avoid triggering a compiler bug is not a reasonable change.  But
perhaps I am wrong and the inline asm is buggy, but then somebody needs
to explain in what way it is buggy.

-- 
Torbjörn
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