Bug found in nightbuilds

[Torbjorn Granlund]

nisse at lysator.liu.se (Niels Möller) writes:

  Hmm. Look like it's the returning of the high limb via the separate *qp
  which is broken? And there's no (non-inline) assembly involved, its
  generic/mpn_div_qr_1.c.
  
I traced it to a nn=0 call to the underlying pi1 call.  Dunno if that's
problematic.

Or it is a compiler problem, considering that it seems to happen on just
s390.  Or an assembly bug.

(I will get to this at some point, but probably the next week.)


Torbjörn
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