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Re: C++ PATCH for c++/60566 (dtor devirtualization and missing thunks)

From: Jason Merrill <jason at redhat dot com>
To: Jan Hubicka <hubicka at ucw dot cz>
Cc: gcc-patches List <gcc-patches at gcc dot gnu dot org>
Date: Thu, 27 Mar 2014 12:26:17 -0400
Subject: Re: C++ PATCH for c++/60566 (dtor devirtualization and missing thunks)
Authentication-results: sourceware.org; auth=none
References: <53330512 dot 2090408 at redhat dot com> <20140327054222 dot GA2379 at kam dot mff dot cuni dot cz>

On 03/27/2014 01:42 AM, Jan Hubicka wrote:

I belive the problem here is the _vptr.MultiTermDocs vtable is initialized from
VTT that is not understood by ipa-prop jump functions.

Makes sense. It would be good to update those functions to understandthat the initialization is always setting the vptr to a constructionvtable for MultiTermDocs (in some derived class).


Jason

References:
- C++ PATCH for c++/60566 (dtor devirtualization and missing thunks)
  - From: Jason Merrill
- Re: C++ PATCH for c++/60566 (dtor devirtualization and missing thunks)
  - From: Jan Hubicka

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