[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

Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |trippels at gcc dot gnu.org

--- Comment #13 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #12)
> Created attachment 31763 [details]
> Proposed fix 2
> 
> It turns out that in the case of multiple inheritance we may miss vtables on
> certain paths when it is duplicated binfo for shared base.  This patch won't
> ICE in this case.

Doesn't (LTO/PGO) bootstrap:
lto1: internal compiler error: in hash_type_name, at ipa-devirt.c:225