http://sourceware.org/bugzilla/show_bug.cgi?id=12762
Alan Modra <amodra at gmail dot com> changed:
What |Removed |Added
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CC| |amodra at gmail dot com
--- Comment #17 from Alan Modra <amodra at gmail dot com> 2011-08-04 23:27:13
UTC ---
OK, I've had a look at this PR again, comparing output from the mingw compiler
versus an ELF one. The ELF gcc plugin has multiple copies of _ZTI1A and
similar symbols added via ld/plugin.c:add_symbols. The difference is that the
ELF gcc makes them weak. That's the reason why ld does not complain for ELF.
So this is probably a mingw gcc bug.
However, I now think a patch like the one Nick added here is quite safe. An
even better version would be to modify bfd_section_already_linked to return a
bool saying whether the entry is already there. That will save a lookup, and
allow the ELF/COFF versions to be different if necessary. I'll code up a patch
to do that.
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