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[Bug other/42540] c++ error message [vtable undefined] is unhelpful
- From: "jwakely dot gcc at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Jan 2010 10:42:05 -0000
- Subject: [Bug other/42540] c++ error message [vtable undefined] is unhelpful
- References: <bug-42540-5724@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from jwakely dot gcc at gmail dot com 2010-01-06 10:42 -------
The linker error alone doesn't make the root cause obvious, but it's a fairly
well known and well documented problem:
http://www.parashift.com/c++-faq-lite/strange-inheritance.html#faq-23.10
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42540