http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54458
--- Comment #2 from Francesco Zappa Nardelli <francesco.zappa.nardelli at gmail dot com> 2012-09-02 16:23:35 UTC --- Can reproduce with the latest svn trunk as well: $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/home/yquem/moscova/zappa/source/gcc-svn-bin/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc-svn/configure --disable-bootstrap --enable-languages=c,c++ --prefix=/home/yquem/moscova/zappa/source/gcc-svn-bin : (reconfigured) ../gcc-svn/configure --disable-bootstrap --enable-languages=c --prefix=/home/yquem/moscova/zappa/source/gcc-svn-bin Thread model: posix gcc version 4.8.0 20120902 (experimental) (GCC) and the exact error message now is: input.c:3:1: internal compiler error: in get_loop_body, at cfgloop.c:823 func_34 () { ^ Please submit a full bug report.