[Bug ipa/71981] [6/7 Regression] ICE at -O2 and -O3 on x86_64-linux-gnu (internal compiler error: in get_dynamic_type, at ipa-polymorphic-call.c:1667)

[jamborm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71981

Martin Jambor <jamborm at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |jamborm at gcc dot 
gnu.org

--- Comment #3 from Martin Jambor <jamborm at gcc dot gnu.org> ---
(In reply to Martin Jambor from comment #2)
> ipa_polymorphic_call_context constructor returns
> 
> MEM[(char * *)""]
> 
> in *INSTANCE.  That does not look right.

which however Honza says is OK.  it is get_dynamic_type that should
just give up on it.  So let me do that.