https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81033
--- Comment #7 from Eric Gallager <egall at gwmail dot gwu.edu> ---
For me the error is:
/private/var/root/gcc-git/my_oddly_named_builddir/./prev-gcc/xg++
-B/private/var/root/gcc-git/my_oddly_named_builddir/./prev-gcc/
-B/usr/local/i386-apple-darwin9.8.0/bin/ -nostdinc++
-B/private/var/root/gcc-git/my_oddly_named_builddir/prev-i386-apple-darwin9.8.0/libstdc++-v3/src/.libs
-B/private/var/root/gcc-git/my_oddly_named_builddir/prev-i386-apple-darwin9.8.0/libstdc++-v3/libsupc++/.libs
-I/private/var/root/gcc-git/my_oddly_named_builddir/prev-i386-apple-darwin9.8.0/libstdc++-v3/include/i386-apple-darwin9.8.0
-I/private/var/root/gcc-git/my_oddly_named_builddir/prev-i386-apple-darwin9.8.0/libstdc++-v3/include
-I/private/var/root/gcc-git/libstdc++-v3/libsupc++
-L/private/var/root/gcc-git/my_oddly_named_builddir/prev-i386-apple-darwin9.8.0/libstdc++-v3/src/.libs
-L/private/var/root/gcc-git/my_oddly_named_builddir/prev-i386-apple-darwin9.8.0/libstdc++-v3/libsupc++/.libs
-c -g -O2 -mdynamic-no-pic -gtoggle -DIN_GCC -fPIC -fno-exceptions
-fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing -Wwrite-strings
-Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic
-Wno-long-long -Wno-variadic-macros -Wno-overlength-strings -fno-common
-DHAVE_CONFIG_H -DGENERATOR_FILE -fno-PIE -I. -Ibuild -I../../gcc
-I../../gcc/build -I../../gcc/../include -I../../gcc/../libcpp/include
-I/usr/local/include \
-o build/genmatch.o ../../gcc/genmatch.c
/var/tmp//cciuyI6t.s:4862:FATAL:Symbol ___cold_sect_of_gen_transform already
defined.
make[3]: *** [build/genmatch.o] Error 1
make[3]: Leaving directory
`/private/var/root/gcc-git/my_oddly_named_builddir/gcc'
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory `/private/var/root/gcc-git/my_oddly_named_builddir'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/private/var/root/gcc-git/my_oddly_named_builddir'
make: *** [all] Error 2
...which I think is the same thing since it's an assembler error that mentions
a ___cold_sect_of_* symbol. I'm on i386-apple-darwin9.8.0 compiling trunk
checked out as of r249881.
