[Bug bootstrap/83396] [8 Regression] Bootstrap failures with Statement Frontiers

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83396

--- Comment #41 from Andreas Schwab <schwab@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 -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
-Wno-error -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-attrtab.o -MT insn-attrtab.o -MMD -MP -MF
./.deps/insn-attrtab.TPo insn-attrtab.c
during RTL pass: mach
../../gcc/config/ia64/itanium2.md: In function ‘attr_type
get_attr_type(rtx_insn*)’:
../../gcc/config/ia64/itanium2.md:4336:1: internal compiler error: in
try_ready, at haifa-sched.c:7524
0x400000000018d53f ???
        ../sysdeps/ia64/elf/start.S:106
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-attrtab.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory `/usr/local/gcc/test/Build/gcc'
make[2]: *** [all-stage3-gcc] Error 2
make[2]: Leaving directory `/usr/local/gcc/test/Build'
make[1]: *** [stage3-bubble] Error 2
make[1]: Leaving directory `/usr/local/gcc/test/Build'
make: *** [all] Error 2

(gdb) bt
#0  0x40000000001843a0 in fancy_abort(char const*, int, char const*) ()
#1  0x4000000002557890 in try_ready(rtx_insn*) ()
#2  0x40000000026cd6c0 in init_ready_list ()
#3  0x4000000002560f80 in schedule_block(basic_block_def**, void*) ()
#4  0x40000000026ce690 in schedule_ebb(rtx_insn*, rtx_insn*, bool) ()
#5  0x40000000026cfa10 in schedule_ebbs() ()
#6  0x4000000001f16a60 in ia64_reorg() ()
#7  0x400000000150add0 in (anonymous
namespace)::pass_machine_reorg::execute(function*) ()
#8  0x40000000013e9c90 in execute_one_pass(opt_pass*) ()
#9  0x40000000013eb380 in execute_pass_list_1(opt_pass*) ()
#10 0x40000000013eb410 in execute_pass_list_1(opt_pass*) ()
#11 0x40000000013eb410 in execute_pass_list_1(opt_pass*) ()
#12 0x40000000013eb4f0 in execute_pass_list(function*, opt_pass*) ()
#13 0x4000000000b52aa0 in cgraph_node::expand() ()
#14 0x4000000000b569e0 in symbol_table::compile() [clone .part.70] ()
#15 0x4000000000b5da80 in symbol_table::finalize_compilation_unit() ()
#16 0x4000000001631030 in compile_file() ()
#17 0x4000000000188610 in toplev::main(int, char**) ()
#18 0x400000000018d190 in main ()