http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45983
--- Comment #4 from tbp <tbptbp at gmail dot com> 2010-10-12 13:31:07 UTC --- (In reply to comment #1) > you probably built GCC with release checking? Oh. Worse, $ /usr/local/gcc-4.6-20101012/bin/g++ -v Using built-in specs. COLLECT_GCC=/usr/local/gcc-4.6-20101012/bin/g++ COLLECT_LTO_WRAPPER=/usr/local/gcc-4.6-20101012/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/usr/local/gcc-4.6.0 --enable-languages=c,c++ --enable-threads=posix --disable-checking --disable-nls --with-system-zlib --disable-bootstrap --enable-checking=none --enable-mpfr --enable-gold --enable-lto --with-ppl --with-cloog --with-arch=native Thread model: posix gcc version 4.6.0 20101012 (experimental) (GCC) I should have stipulated that somewhere in the initial report, my bad.