[Bug middle-end/58585] [4.9 Regression] ICE in ipa with virtual inheritance

[trippels at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58585

--- Comment #18 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #17)
> The patch seems to work and it seems to give correct answers for various
> cases of multiple inheritance I can think of.  I would welcome testing on
> the original sources and if it looks fine, I will go ahead with it.

FWIW I've tested your patch with Firefox (PGO/LTO), Chromium 
and Boost. And everything works fine...