gcc-trunk build error in OpenBSD on stage3

[niXman]

Diffs between stage2 and stage3.
on configure libiberty for stage3 I see this warnings:


configure:4962: checking for limits.hconfigure:4962:
/home/root/gcc-build/build/gcc-trunk/./prev-gcc/xgcc-B/home/root/gcc-build/build/gcc-trunk/./prev-gcc/-B/usr/local/i686-pc-openbsd5.0/bin/-B/usr/local/i686-pc-openbsd5.0/bin/-B/usr/local/i686-pc-openbsd5.0/lib/
-isystem/usr/local/i686-pc-openbsd5.0/include
-isystem/usr/local/i686-pc-openbsd5.0/sys-include    -E
conftest.c/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1:/usr/lib/libstdc++.so.52.0:/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1
: WARNING:symbol(_ZNSt6locale5_Impl11_S_id_ctypeE) size mismatch,
relink yourprogram/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1:/usr/lib/libstdc++.so.52.0:/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1
: WARNING:symbol(_ZNSt6locale5_Impl13_S_id_numericE) size mismatch,
relink yourprogram/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1:/usr/lib/libstdc++.so.52.0:/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1
: WARNING:symbol(_ZNSt6locale5_Impl13_S_id_collateE) size mismatch,
relink yourprogram/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1:/usr/lib/libstdc++.so.52.0:/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1
: WARNING:symbol(_ZNSt6locale5_Impl10_S_id_timeE) size mismatch,
relink yourprogram/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1:/usr/lib/libstdc++.so.52.0:/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1
: WARNING:symbol(_ZNSt6locale5_Impl14_S_id_monetaryE) size mismatch,
relink yourprogram/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1:/usr/lib/libstdc++.so.52.0:/home/root/gcc-build/build/gcc-trunk/./prev-gcc/cc1
: WARNING:symbol(_ZNSt6locale5_Impl14_S_id_messagesE) size mismatch,
relink yourprogram
I have never seen such warnings...Therefore, some tests fail.
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