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[Bug c++/45221] missed optimization with multiple bases and up casting and dereferencing
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 7 Aug 2010 01:33:07 -0000
- Subject: [Bug c++/45221] missed optimization with multiple bases and up casting and dereferencing
- References: <bug-45221-17658@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from pinskia at gcc dot gnu dot org 2010-08-07 01:33 -------
Confirmed, the issue has to do with multiple base classes and how NULL pointers
are handled during an upcast.
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|normal |enhancement
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Keywords| |missed-optimization
Last reconfirmed|0000-00-00 00:00:00 |2010-08-07 01:33:06
date| |
Summary|missed optimization on |missed optimization with
|casting pointers even under |multiple bases and up
|-O3 |casting and dereferencing
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45221