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From: "jason at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/51832] [4.7 regression] Rev.182970 causes LTO link errors (multiple definitions of allocator_traits)
Date: Fri, 13 Jan 2012 19:02:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51832

--- Comment #6 from Jason Merrill <jason at gcc dot gnu.org> 2012-01-13 18:55:24 UTC ---
I still can't reproduce this on x86_64-pc-linux-gnu.  I notice that you have a
lot of configure flags in your gcc -v output; mine is just

/home/jason/src/trunk/configure -v --with-mpfr=/opt/cfarm/mpfr
--with-gmp=/opt/cfarm/gmp --with-mpc=/opt/cfarm/mpc
--with-libelf=/opt/cfarm/libelf --enable-languages=all,obj-c++
--enable-checking

Can you try rebuilding the compiler with different configure flags and see if
one of them is causing this difference?  I tried building the compiler with all
your configure flags, but it seems to result in a broken stage1 compiler for
me.