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[Bug c++/19159] [4.0/4.1 Regression] Undefined symbol: vtable for __cxxabiv1::__vmi_class_type_info
- From: "mmitchel at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Apr 2005 06:49:53 -0000
- Subject: [Bug c++/19159] [4.0/4.1 Regression] Undefined symbol: vtable for __cxxabiv1::__vmi_class_type_info
- References: <20041226162616.19159.danglin@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From mmitchel at gcc dot gnu dot org 2005-04-05 06:49 -------
Dave --
I suspect that there is some PCH involvement here. In particular, the warnings
you're seeing while compiling header_cassert are very surprising, in that the
preprocessed source for that file does not contain the string "_S_do_it". So, I
think the problem is related to PCH. To fix that, I'll need a test case that I
can reproduce in a cross environment; i.e., preprocessed source that I can turn
into a PCH, and then some use of the PCH that produces the warnings.
In any case, I'm going to test, and then check in, the latest patch, as lots of
link-time warnings is better than link failures.
-- Mark
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19159