https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121226
Bug ID: 121226 Summary: ICE in core_vals, at cp/module.cc:6641 Product: gcc Version: 15.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: rohan at rohanlean dot de Target Milestone: --- I have hit the following error with `-g -std=c++23 -flto=auto -fno-fat-lto-objects`, but not with `-O3 -DNDEBUG -std=c++23 -flto=auto -fno-fat-lto-objects`: ``` internal compiler error: in core_vals, at cp/module.cc:6641 0x248dd2f diagnostic_context::diagnostic_impl(rich_location*, diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag (*) [1], diagnostic_t) ???:0 0x249f15e internal_error(char const*, ...) ???:0 0x81e821 fancy_abort(char const*, int, char const*) ???:0 0x7d792b (anonymous namespace)::trees_out::tree_node_vals(tree_node*) [clone .cold] ???:0 0x94d52d (anonymous namespace)::trees_out::tree_node(tree_node*) ???:0 0x950466 (anonymous namespace)::trees_out::tree_node_vals(tree_node*) ???:0 0x953240 (anonymous namespace)::trees_out::decl_value(tree_node*, depset*) ???:0 0x954733 depset::hash::find_dependencies(module_state*) ???:0 0x955957 module_state::write_begin(elf_out*, cpp_reader*, module_state_config&, unsigned int&) ???:0 0x957105 finish_module_processing(cpp_reader*) ???:0 0x8eeadd c_parse_final_cleanups() ???:0 0xafe8a8 c_common_parse_file() ```