[Bug c++/50973] [C++0x] internal compiler error defaulted destructor virtual inheritance

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50973

--- Comment #1 from Jason Merrill <jason at gcc dot gnu.org> 2011-11-10 
21:14:49 UTC ---
Author: jason
Date: Thu Nov 10 21:14:42 2011
New Revision: 181272

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181272
Log:
    PR c++/50973
    * decl2.c (mark_used): Defer synthesis of virtual functions.
    * method.c (use_thunk): Make sure the target function has
    DECL_INTERFACE_KNOWN.

Added:
    trunk/gcc/testsuite/g++.dg/cpp0x/defaulted33.C
Modified:
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/decl2.c
    trunk/gcc/cp/method.c
    trunk/gcc/testsuite/ChangeLog