https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62301
--- Comment #2 from Bill Schmidt <wschmidt at gcc dot gnu.org> ---
Example backtrace for segv:
#0 0x000000004d5a28a0 in ?? ()
#1 0x0000000010370128 in mem_loc_descriptor(rtx_def*, machine_mode,
machine_mode, var_init_status) ()
#2 0x00000000103704f4 in mem_loc_descriptor(rtx_def*, machine_mode,
machine_mode, var_init_status) ()
#3 0x000000001037a59c in loc_descriptor(rtx_def*, machine_mode,
var_init_status) ()
#4 0x000000001037a7b8 in loc_descriptor(rtx_def*, machine_mode,
var_init_status) ()
#5 0x000000001037ad58 in dw_loc_list_1(tree_node*, rtx_def*, int,
var_init_status) ()
#6 0x0000000010375dac in loc_list_from_tree(tree_node*, int) ()
#7 0x000000001037d43c in add_location_or_const_value_attribute(die_struct*,
tree_node*, bool, dwarf_attribute) [clone .constprop.340] ()
#8 0x0000000010363e3c in gen_variable_die(tree_node*, tree_node*, die_struct*)
()
#9 0x0000000010365dd4 in gen_decl_die(tree_node*, tree_node*, die_struct*) ()
#10 0x0000000010380484 in decls_for_scope(tree_node*, die_struct*, int) ()
#11 0x000000001035fd70 in gen_subprogram_die(tree_node*, die_struct*) ()
#12 0x0000000010365b18 in gen_decl_die(tree_node*, tree_node*, die_struct*) ()
#13 0x0000000010367518 in dwarf2out_function_decl(tree_node*) ()
#14 0x00000000103e65a0 in (anonymous namespace)::pass_final::execute(function*)
()
#15 0x0000000010635a7c in execute_one_pass(opt_pass*) ()
#16 0x0000000010636184 in execute_pass_list_1(opt_pass*) ()
#17 0x000000001063619c in execute_pass_list_1(opt_pass*) ()
#18 0x000000001063619c in execute_pass_list_1(opt_pass*) ()
#19 0x0000000010636224 in execute_pass_list(function*, opt_pass*) ()
#20 0x00000000102d98a4 in cgraph_node::expand() ()
#21 0x00000000102db3b8 in symbol_table::compile() ()
#22 0x00000000102dd2f8 in symbol_table::finalize_compilation_unit() ()
#23 0x0000000010132738 in c_write_global_declarations() ()
#24 0x00000000107220c0 in compile_file() ()
#25 0x000000001072522c in toplev_main(int, char**) ()
#26 0x000000001010f288 in main ()
