------- Comment #1 from zsojka at seznam dot cz 2010-09-02 16:32 -------
Note this breaks bootstrap with BOOT_CFLAGS="-march=athlon-4 -O2":
$ make BOOT_CFLAGS="-march=athlon-4 -O2"
...
/root/build-163760-lto-fortran-checking-yes-rtl-df/./prev-gcc/xgcc
-B/root/build-163760-lto-fortran-checking-yes-rtl-df/./prev-gcc/
-B/mnt/svn/gcc-trunk/binary-163760-x86-lto-fortran-checking-yes-rtl-df/i686-pc-linux-gnu/bin/
-B/mnt/svn/gcc-trunk/binary-163760-x86-lto-fortran-checking-yes-rtl-df/i686-pc-linux-gnu/bin/
-B/mnt/svn/gcc-trunk/binary-163760-x86-lto-fortran-checking-yes-rtl-df/i686-pc-linux-gnu/lib/
-isystem
/mnt/svn/gcc-trunk/binary-163760-x86-lto-fortran-checking-yes-rtl-df/i686-pc-linux-gnu/include
-isystem
/mnt/svn/gcc-trunk/binary-163760-x86-lto-fortran-checking-yes-rtl-df/i686-pc-linux-gnu/sys-include
-I/usr/portage/distfiles/svn-src/gcc/trunk/libcpp -I.
-I/usr/portage/distfiles/svn-src/gcc/trunk/libcpp/../include
-I/usr/portage/distfiles/svn-src/gcc/trunk/libcpp/include -march=athlon-4 -O2
-gtoggle -W -Wall -Wwrite-strings -Wmissing-format-attribute
-Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wc++-compat
-pedantic -Wno-long-long -Werror
-I/usr/portage/distfiles/svn-src/gcc/trunk/libcpp -I.
-I/usr/portage/distfiles/svn-src/gcc/trunk/libcpp/../include
-I/usr/portage/distfiles/svn-src/gcc/trunk/libcpp/include -c -o lex.o -MT
lex.o -MMD -MP -MF .deps/lex.Tpo
/usr/portage/distfiles/svn-src/gcc/trunk/libcpp/lex.c
/usr/portage/distfiles/svn-src/gcc/trunk/libcpp/lex.c:2838:1: internal compiler
error: in rtl_for_decl_init, at dwarf2out.c:16307
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [lex.o] Error 1
make[3]: Leaving directory
`/root/build-163760-lto-fortran-checking-yes-rtl-df/libcpp'
make[2]: *** [all-stage2-libcpp] Error 2
make[2]: Leaving directory `/root/build-163760-lto-fortran-checking-yes-rtl-df'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/root/build-163760-lto-fortran-checking-yes-rtl-df'
make: *** [all] Error 2
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45500
