[Bug middle-end/39509] [4.4/4.5/4.6/4.7 Regression] bad optimization(?) pure virtual function call with -O2

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39509

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

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--- Comment #23 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-12-08 
03:24:18 UTC ---
I think this has been fixed on the trunk by:
2011-11-08  Michael Matz  <m...@suse.de>

...
        * tree.h (TREE_CLOBBER_P): New macro.
...