[Bug target/84113] [7/8 Regression] libgcc/unwind.inc:136:1: unrecognizable insn: internal compiler error on Darwin

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84113

--- Comment #23 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to Douglas Mencken from comment #22)
> as for https://gcc.gnu.org/ml/gcc-patches/2016-08/msg02040.html
> I think that optimizing epilogues is a good idea, but not of a cost of
> unbuildability,
> even when it’s unbuildability on “quartiary” ( read as “we don’t care” )
> platform

GCC 7 was released more than nine months ago, and yet no one has noticed
that it does not build at all on powerpc-darwin.  We cannot do magic.