http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56535
--- Comment #7 from Markus Trippelsdorf <markus at trippelsdorf dot de> ---
Current trunk still fails with the same error:
/var/tmp/gcc_build_dir/./prev-gcc/xg++ -B/var/tmp/gcc_build_dir/./prev-gcc/
-B/usr/local/x86_64-unknown-linux-gnu/bin/ -nostdinc++
-B/var/tmp/gcc_build_dir/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
-B/var/tmp/gcc_build_dir/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-I/var/tmp/gcc_build_dir/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include/x86_64-unknown-linux-gnu
-I/var/tmp/gcc_build_dir/prev-x86_64-unknown-linux-gnu/libstdc++-v3/include
-I/var/tmp/gcc/libstdc++-v3/libsupc++
-L/var/tmp/gcc_build_dir/prev-x86_64-unknown-linux-gnu/libstdc++-v3/src/.libs
-L/var/tmp/gcc_build_dir/prev-x86_64-unknown-linux-gnu/libstdc++-v3/libsupc++/.libs
-c -march=native -O3 -pipe -fsanitize=address -fprofile-use -DIN_GCC
-fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -pedantic -Wno-long-long
-Wno-variadic-macros -Wno-overlength-strings -fno-common -DHAVE_CONFIG_H
-DGENERATOR_FILE -I. -Ibuild -I../../gcc/gcc -I../../gcc/gcc/build
-I../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include
-I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/bid
-I../libdecnumber -I../../gcc/gcc/../libbacktrace \
-o build/genmodes.o ../../gcc/gcc/genmodes.c
../../gcc/gcc/genmodes.c: In function ‘void
make_complex_modes.constprop(mode_class, unsigned int)’:
../../gcc/gcc/genmodes.c:423:1: internal compiler error: in build2_stat, at
tree.c:4104
make_complex_modes (enum mode_class cl,
^
