Starting program: /var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/gcc/xgcc -shared-libgcc -B/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/./gcc -nostdinc++ -L/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/powerpc-foxkit-linux-musl/libstdc++-v3/src -L/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/powerpc-foxkit-linux-musl/libstdc++-v3/src/.libs -L/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/powerpc-foxkit-linux-musl/libstdc++-v3/libsupc++/.libs -B/usr/powerpc-foxkit-linux-musl/bin/ -B/usr/powerpc-foxkit-linux-musl/lib/ -isystem /usr/powerpc-foxkit-linux-musl/include -isystem /usr/powerpc-foxkit-linux-musl/sys-include -I/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/gcc-5.4.0/libstdc++-v3/../libgcc -I/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/powerpc-foxkit-linux-musl/libstdc++-v3/include/powerpc-foxkit-linux-musl -I/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/powerpc-foxkit-linux-musl/libstdc++-v3/include -I/var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/gcc-5.4.0/libstdc++-v3/libsupc++ -D_GLIBCXX_SHARED -fno-implicit-templates -fvtable-verify=std -Wl,-u_vtable_map_vars_start,-u_vtable_map_vars_end -Wall -Wextra -Wwrite-strings -Wcast-qual -Wabi -fdiagnostics-show-location=once -ffunction-sections -fdata-sections -frandom-seed=complex_io.lo -g -O2 -D_GNU_SOURCE -c /var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/gcc-5.4.0/libstdc++-v3/src/c++98/complex_io.cc  -fPIC -DPIC -D_GLIBCXX_SHARED -o complex_io.o
[New process 11748]
process 11748 is executing new program: /var/tmp/portage/cross-powerpc-foxkit-linux-musl/gcc-5.4.0/work/build/gcc/cc1plus

Thread 2.1 "cc1plus" received signal SIGSEGV, Segmentation fault.
[Switching to process 11748]
0x000000001040f2d4 in .symtab_node::ultimate_alias_target(availability*) ()
(gdb) bt
#0  0x000000001040f2d4 in .symtab_node::ultimate_alias_target(availability*) ()
#1  0x000000001063adbc in .cgraph_node::ultimate_alias_target(availability*) ()
#2  0x00000000110ed540 in .call_ABI_of_interest(tree_node*) ()
#3  0x00000000110ed8f4 in .init_cumulative_args(rs6000_args*, tree_node*, rtx_def*, int, int, int, tree_node*, machine_mode) ()
#4  0x00000000105c239c in .expand_call(tree_node*, rtx_def*, int) ()
#5  0x000000001079ea20 in .expand_expr_real_1(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ()
#6  0x00000000107949a4 in .expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier, rtx_def**, bool) ()
#7  0x000000001078c0e0 in .store_expr_with_bounds(tree_node*, rtx_def*, int, bool, tree_node*) ()
#8  0x000000001078b134 in .expand_assignment(tree_node*, tree_node*, bool) ()
#9  0x00000000105ddff0 in .expand_call_stmt(gcall*) ()
#10 0x00000000105e1264 in .expand_gimple_stmt_1(gimple_statement_base*) ()
#11 0x00000000105e1a1c in .expand_gimple_stmt(gimple_statement_base*) ()
#12 0x00000000105e9218 in .expand_gimple_basic_block(basic_block_def*, bool) ()
#13 0x00000000105eb314 in .(anonymous namespace)::pass_expand::execute(function*) ()
#14 0x0000000010b2ae40 in .execute_one_pass(opt_pass*) ()
#15 0x0000000010b2b1f0 in .execute_pass_list_1(opt_pass*) ()
#16 0x0000000010b2b298 in .execute_pass_list(function*, opt_pass*) ()
#17 0x0000000010647db0 in .cgraph_node::expand() ()
#18 0x000000001064840c in .expand_all_functions() ()
#19 0x0000000010649430 in .symbol_table::compile() ()
#20 0x0000000010649594 in .symbol_table::finalize_compilation_unit() ()
#21 0x000000001036192c in .cp_write_global_declarations() ()
#22 0x0000000010c8f980 in .compile_file() ()
#23 0x0000000010c939c4 in .do_compile() ()
#24 0x0000000010c93de0 in .toplev::main(int, char**) ()
#25 0x000000001160234c in .main ()