http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53963
--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2012-07-14 16:46:56 UTC --- (In reply to comment #0) > On Linux/x86-64, revision 189467 failed to profiledbootstrap: > > checking for suffix of object files... configure: error: in > `/export/gnu/import/git/gcc-test-profile/bld/x86_64-unknown-linux-gnu/libgcc': > configure: error: cannot compute suffix of object files: cannot compile > See `config.log' for more details. > make[5]: *** [configure-stagefeedback-target-libgcc] Error 1 > > when configured with > > --prefix=/usr/local --enable-clocale=gnu --with-system-zlib --enable-sh > ared --with-demangler-in-ld --with-build-config=bootstrap-lto > --with-fpmath=sse > > "--prefix=/usr/local" is the key to trigger this regression. > The stage 3 compiler is miscompiled. Revision 189349 is OK. I don' think so. I have configured as ../gcc-svn/trunk/configure --with-build-config=bootstrap-lto --enable-languages=c and fails as well. Backing out r189453 works OK.
