http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53219
--- Comment #5 from Martin Husemann <martin at netbsd dot org> 2012-05-04 13:29:45 UTC --- Using built-in specs. COLLECT_GCC=cc Target: sparc64--netbsd Configured with: /usr/src/tools/gcc/../../external/gpl3/gcc/dist/configure --target=sparc64--netbsd --enable-long-long --enable-threads --with-bugurl=http://www.NetBSD.org/Misc/send-pr.html --with-pkgversion='NetBSD nb2 20111202' --enable-__cxa_atexit --with-mpc=/var/obj/mknative/sparc64/usr/src/destdir.sparc64/usr --with-mpfr=/var/obj/mknative/sparc64/usr/src/destdir.sparc64/usr --with-gmp=/var/obj/mknative/sparc64/usr/src/destdir.sparc64/usr --enable-tls --disable-multilib --disable-symvers --disable-libstdcxx-pch --build=x86_64-unknown-netbsd6.0 --host=sparc64--netbsd Thread model: posix gcc version 4.5.3 (NetBSD nb2 20110806) NetBSD thirdstage.duskware.de 6.99.6 NetBSD 6.99.6 (MODULAR) #37: Thu May 3 10:33:30 CEST 2012 mar...@night-porter.duskware.de:/usr/src/sys/arch/sparc64/compile/MODULAR sparc64 Command line used: gcc -DPERL_CORE -c -O2 -pipe -pthread -g -O2 -I/usr/include -fno-strict-aliasing -fstack-protector -I/usr/pkg/include -std=c89 -O2 -pipe -pthread -g -O2 -I/usr/include -Wall -ansi -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -Wwrite-strings I will try to create a smaller test case to reproduce it, but is not easy.