https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108597
--- Comment #1 from Serdar Sanli <mserdarsanli at gmail dot com> --- stacktrace from my gcc 12.2.0: 0xe2534f crash_signal /root/source/gcc-12.2.0/gcc/toplev.cc:322 0xb0f049 location_wrapper_p(tree_node const*) /root/source/gcc-12.2.0/gcc/tree.h:4160 0xb0f049 tree_strip_any_location_wrapper(tree_node*) /root/source/gcc-12.2.0/gcc/tree.h:4172 0xb0f049 operand_compare::operand_equal_p(tree_node const*, tree_node const*, unsigned int) /root/source/gcc-12.2.0/gcc/fold-const.cc:2987 0xb100fb operand_compare::operand_equal_p(tree_node const*, tree_node const*, unsigned int) /root/source/gcc-12.2.0/gcc/fold-const.cc:3363 0xb0f3f1 operand_compare::operand_equal_p(tree_node const*, tree_node const*, unsigned int) /root/source/gcc-12.2.0/gcc/fold-const.cc:3227 0x9a6f07 warn_duplicated_cond_add_or_warn(unsigned int, tree_node*, vec<tree_node*, va_heap, vl_ptr>**) /root/source/gcc-12.2.0/gcc/c-family/c-warn.cc:2537 0x894e18 cp_parser_selection_statement /root/source/gcc-12.2.0/gcc/cp/parser.cc:13108 0x86f5d5 cp_parser_statement /root/source/gcc-12.2.0/gcc/cp/parser.cc:12296 0x893fe1 cp_parser_implicitly_scoped_statement /root/source/gcc-12.2.0/gcc/cp/parser.cc:14423 0x895239 cp_parser_selection_statement /root/source/gcc-12.2.0/gcc/cp/parser.cc:13186 0x86f5d5 cp_parser_statement /root/source/gcc-12.2.0/gcc/cp/parser.cc:12296 0x87016d cp_parser_statement_seq_opt /root/source/gcc-12.2.0/gcc/cp/parser.cc:12850 0x87021f cp_parser_compound_statement /root/source/gcc-12.2.0/gcc/cp/parser.cc:12802 0x88ec73 cp_parser_function_body /root/source/gcc-12.2.0/gcc/cp/parser.cc:25071 0x88ec73 cp_parser_ctor_initializer_opt_and_function_body /root/source/gcc-12.2.0/gcc/cp/parser.cc:25122 0x88fdbe cp_parser_function_definition_after_declarator /root/source/gcc-12.2.0/gcc/cp/parser.cc:31257 0x8900e3 cp_parser_late_parsing_for_member /root/source/gcc-12.2.0/gcc/cp/parser.cc:32189 0x86a06e cp_parser_class_specifier_1 /root/source/gcc-12.2.0/gcc/cp/parser.cc:26190 0x86af46 cp_parser_class_specifier /root/source/gcc-12.2.0/gcc/cp/parser.cc:26214