http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49230
--- Comment #6 from gee <jojelino at gmail dot com> 2011-06-29 18:08:34 UTC --- > $ gcc -v i'm sorry to attach invalid gcc -v. this is proper one. $ i686-pc-mingw32-gcc -v Using built-in specs. COLLECT_GCC=i686-pc-mingw32-gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/i686-pc-mingw32/4.7.0/lto-wrapper.exe Target: i686-pc-mingw32 Configured with: ./configure --config-cache --prefix=/usr --enable-win32-registry --enable-threads=win32 --enable-languages=c,c++,lto --with-win32-nlsapi=unicode --enable-tls --disable-bootstrap --target=i686-pc-mingw32 --enable-shared --enable-interpreter --disable-sjlj-exceptions --enable-gomp Thread model: win32 gcc version 4.7.0 20110622 (experimental) (GCC)