[Bug target/85669] fail on s-case-cfn-macros: build/gencfn-macros: DEF_INTERNAL_FLT/INT_FN (%smth%) has no associated built-in functions

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85669

--- Comment #58 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #53)
> (In reply to Wilco from comment #52)
> > (In reply to Segher Boessenkool from comment #50)
> > > The generic code rounded up the allocation size twice, and that isn't needed.
> > > 
> > > The problem has been solved for other targets before; a patch for Darwin is
> > > at https://gcc.gnu.org/ml/gcc-testresults/2017-01/msg02971.html , patch 0001.
> > 
> > Yes that looks correct indeed. No idea why it wasn't committed... 
> 
> long story to do with water coming through the office ceiling, relocation to
> a place without a PPC machine available and then someone claiming that they
> had bootstrap OK without that patch (which surprised me).
> 
> I will try to check the situation on 8.2.1 + back ports from trunk over the
> weekend.
> if that patch is still good then we should be able to get it into trunk and
> 8/7 as needed it's entirely Darwin-local

This patch (https://gcc.gnu.org/ml/gcc-testresults/2017-01/txtNTsImfm9sQ.txt)
is okay for trunk and all open branches, btw.