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[Bug c++/23643] Incorrect conversion from derived to empty base class
- From: "jbuck at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 12 Jan 2007 08:18:40 -0000
- Subject: [Bug c++/23643] Incorrect conversion from derived to empty base class
- References: <bug-23643-11269@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from jbuck at gcc dot gnu dot org 2007-01-12 08:18 -------
Andrew is right, this isn't a bug, and is in fact required by the ABI.
See http://www.codesourcery.com/cxx-abi/abi.html#class-types, section II,
subsection 3. "First, attempt to place D at offset 0." No rule prevents doing
this, so that is where it lands.
--
jbuck at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|WAITING |RESOLVED
Resolution| |INVALID
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=23643