https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396
--- Comment #36 from Andreas Schwab <sch...@linux-m68k.org> ---
/usr/local/gcc/test/Build/./prev-gcc/xg++
-B/usr/local/gcc/test/Build/./prev-gcc/ -B/usr/ia64-suse-linux/bin/ -nostdinc++
-B/usr/local/gcc/test/Build/prev-ia64-suse-linux/libstdc++-v3/src/.libs
-B/usr/local/gcc/test/Build/prev-ia64-suse-linux/libstdc++-v3/libsupc++/.libs
-I/usr/local/gcc/test/Build/prev-ia64-suse-linux/libstdc++-v3/include/ia64-suse-linux
-I/usr/local/gcc/test/Build/prev-ia64-suse-linux/libstdc++-v3/include
-I/usr/local/gcc/test/libstdc++-v3/libsupc++
-L/usr/local/gcc/test/Build/prev-ia64-suse-linux/libstdc++-v3/src/.libs
-L/usr/local/gcc/test/Build/prev-ia64-suse-linux/libstdc++-v3/libsupc++/.libs
-fno-PIE -c -DUSE_LIBUNWIND_EXCEPTIONS -g -O2 -gtoggle -DIN_GCC
-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 -Werror
-fno-common -DHAVE_CONFIG_H -I. -I. -I../../gcc -I../../gcc/.
-I../../gcc/../include -I../../gcc/../libcpp/include
-I../../gcc/../libdecnumber -I../../gcc/../libdecnumber/dpd -I../libdecnumber
-I../../gcc/../libbacktrace -o insn-recog.o -MT insn-recog.o -MMD -MP -MF
./.deps/insn-recog.TPo insn-recog.c
during RTL pass: mach
../../gcc/config/ia64/vect.md: In function ‘int recog_9(rtx, rtx_insn*, int*)’:
../../gcc/config/ia64/vect.md:1510:1: internal compiler error: Segmentation
fault
(define_expand "vec_unpacks_lo_<mode>"
^
0x4000000001feac6f crash_signal
../../gcc/toplev.c:325
0x4000000002c64c9f emit_insn_group_barriers
../../gcc/config/ia64/ia64.c:7106
0x4000000002c7b10f ia64_reorg
../../gcc/config/ia64/ia64.c:9872
0x4000000001e151af execute
../../gcc/reorg.c:3948
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[3]: *** [insn-recog.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gpl.pod gcc.pod gcov-dump.pod
gcov-tool.pod
make[3]: Leaving directory `/usr/local/gcc/test/Build/gcc'
make[2]: *** [all-stage2-gcc] Error 2
make[2]: Leaving directory `/usr/local/gcc/test/Build'
make[1]: *** [stage2-bubble] Error 2
make[1]: Leaving directory `/usr/local/gcc/test/Build'
make: *** [all] Error 2
Program received signal SIGSEGV, Segmentation fault.
0x4000000002c64ca0 in emit_insn_group_barriers (dump=0x0)
at ../../gcc/config/ia64/ia64.c:7106
7106 if (BB_HEAD (BLOCK_FOR_INSN (last_label)) ==
last_label)
(gdb) p last_label
$1 = (rtx_insn *) 0x2000000006155440
(gdb) pr
warning: Expression is not an assignment (and might have no effect)
(code_label 425 4296 426 1431 (nil) [3 uses])
