https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88554
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #1) > Started to ICE (rather than give a -Wreturn-type diagnostic) with r263298 > > Add fix-it hint for missing return statement in assignment operators (PR > c++/85523) Hmm, apparently this commit has my name on it too. It fails in contains_struct_check because __t is null: #0 0x00000000008d37a5 in contains_struct_check (__t=0x0, __s=TS_TYPED, __f=0x18dc780 "/home/jwakely/src/gcc/gcc/gcc/cp/decl.c", __l=16096, __g=0x18e5640 <finish_function(bool)::__FUNCTION__> "finish_function") at /home/jwakely/src/gcc/gcc/gcc/tree.h:3270 #1 0x00000000008ce6f7 in finish_function (inline_p=true) at /home/jwakely/src/gcc/gcc/gcc/cp/decl.c:16096 #2 0x000000000097260a in cp_parser_function_definition_after_declarator (parser=parser@entry=0x7ffff7ff6ab0, inline_p=inline_p@entry=true) at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:27498 #3 0x000000000097382d in cp_parser_late_parsing_for_member(cp_parser*, tree_node*) () at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:28379 #4 0x0000000000953f62 in cp_parser_class_specifier_1(cp_parser*) () at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:23384 #5 0x00000000009552fa in cp_parser_class_specifier (parser=0x7ffff7ff6ab0) at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:23410 #6 cp_parser_type_specifier(cp_parser*, int, cp_decl_specifier_seq*, bool, int*, bool*) () at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:17266 #7 0x00000000009562cc in cp_parser_decl_specifier_seq(cp_parser*, int, cp_decl_specifier_seq*, int*) () at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:27347 #8 0x00000000009569d1 in cp_parser_simple_declaration(cp_parser*, bool, tree_node**) () at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:13292 #9 0x0000000000979c93 in cp_parser_declaration(cp_parser*) () at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:13111 #10 0x000000000097a43d in cp_parser_translation_unit (parser=0x7ffff7ff6ab0) at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:4688 #11 c_parse_file() () at /home/jwakely/src/gcc/gcc/gcc/cp/parser.c:40855 #12 0x0000000000a83f21 in c_common_parse_file () at /home/jwakely/src/gcc/gcc/gcc/c-family/c-opts.c:1151 #13 0x0000000000f1decf in compile_file () at /home/jwakely/src/gcc/gcc/gcc/toplev.c:456 #14 0x00000000008184aa in do_compile () at /home/jwakely/src/gcc/gcc/gcc/toplev.c:2176 #15 toplev::main(int, char**) () at /home/jwakely/src/gcc/gcc/gcc/toplev.c:2311 #16 0x000000000081ba9b in main (argc=20, argv=0x7fffffffd848) at /home/jwakely/src/gcc/gcc/gcc/main.c:39 That comes from TREE_TYPE (current_class_ref) where current_class_ref is null.
