http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52929
--- Comment #4 from Ben <os at xeviox dot com> 2012-04-11 15:18:16 UTC --- System: Archlinux x64 / XFCE IDE: QtCreator 2.4 Buildsystem: qmake Used libraries: qt 4.6.x Language: C++ $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: /build/src/gcc-4.7-20120407/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://bugs.archlinux.org/ --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++ --enable-shared --enable-threads=posix --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --enable-libstdcxx-time --enable-gnu-unique-object --enable-linker-build-id --with-ppl --enable-cloog-backend=isl --enable-lto --enable-gold --enable-ld=default --enable-plugin --with-plugin-ld=ld.gold --with-linker-hash-style=gnu --disable-multilib --disable-libssp --disable-build-with-cxx --disable-build-poststage1-with-cxx --enable-checking=release Thread model: posix gcc version 4.7.0 20120407 (prerelease) (GCC) Sadly I'm unable to build the break again. I've installed gcc4.4 to be able to build the project again. But now even gcc4.7 is able to build it.. Anything I can do to help? Ben