https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102214
Bug ID: 102214 Summary: ICE when compiling local class with -fno-weak Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: fxue at os dot amperecomputing.com Target Milestone: --- Created attachment 51413 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51413&action=edit testcase Compiling attached testcase with option "-flto -O3 -fno-weak" will get: during IPA pass: *free_lang_data ic.cpp:5:11: internal compiler error: in mangle_decl, at cp/mangle.c:4088 5 | class InnerParent { | ^~~~~~~~~~~ 0xbe3ef2 mangle_decl(tree_node*) ../../gcc/cp/mangle.c:4088 0x17b0ac4 decl_assembler_name(tree_node*) ../../gcc/tree.c:710 0x17bd358 assign_assembler_name_if_needed(tree_node*) ../../gcc/tree.c:6318 0x17bd471 free_lang_data_in_cgraph ../../gcc/tree.c:6366 0x17bd606 free_lang_data ../../gcc/tree.c:6411 0x17bd7ac execute ../../gcc/tree.c:6483