------- Comment #3 from rguenth at gcc dot gnu dot org  2006-08-19 15:40 -------
I tried to reproduce this on a i686 host with the 4.1 branch head with no
success, I get to

/obj/gcc41-g/gcc/pr28779$ ../xgcc -B.. e1000_hw.i e1000_main.i -Os -c -o
e1000.o --combine -fwhole-program -Wfatal-errors -v
Reading specs from ../specs
Target: i686-pc-linux-gnu
Configured with: /home/richard/src/gcc-4_1-branch/configure
--enable-languages=c,c++,fortran --enable-cxa_at_exit --enable-threads=posix
Thread model: posix
gcc version 4.1.2 20060708 (prerelease)
 ../cc1 -fpreprocessed e1000_hw.i e1000_main.i -quiet -dumpbase e1000_hw.i
-mtune=pentiumpro -auxbase-strip e1000.o -Os -Wfatal-errors -version
-fwhole-program -o /tmp/ccvN1UzD.s
GNU C version 4.1.2 20060715 (prerelease) (i686-pc-linux-gnu)
        compiled by GNU C version 4.1.2 20060630 (prerelease) (Debian 4.1.1-6).
GGC heuristics: --param ggc-min-expand=98 --param ggc-min-heapsize=127657
Compiler executable checksum: 024a6cd74e0904785fe447bca1336a32
In file included from /pmac/git/geode/include/linux/thread_info.h:22,
                 from /pmac/git/geode/include/linux/preempt.h:10,
                 from /pmac/git/geode/include/linux/spinlock.h:50,
                 from /pmac/git/geode/include/linux/capability.h:46,
                 from /pmac/git/geode/include/linux/sched.h:45,
                 from /pmac/git/geode/include/linux/module.h:10,
                 from /pmac/git/geode/drivers/net/e1000/e1000.h:38,
                 from /pmac/git/geode/drivers/net/e1000/e1000_main.c:31:
include2/asm/thread_info.h:88: warning: register used for two global register
variables
In file included from /pmac/git/geode/include/linux/mm.h:280,
                 from /pmac/git/geode/drivers/net/e1000/e1000.h:42,
                 from /pmac/git/geode/drivers/net/e1000/e1000_main.c:31:
/pmac/git/geode/include/linux/page-flags.h:252: error: conflicting types for
‘test_clear_page_dirty’
compilation terminated due to -Wfatal-errors.

What's your output of adding -v?


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28779