[Bug c++/104667] New: [10/11/12 Regression] ICE in is_late_template_attribute, at cp/decl2.cc:1299

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104667

            Bug ID: 104667
           Summary: [10/11/12 Regression] ICE in
                    is_late_template_attribute, at cp/decl2.cc:1299
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started between 20191117 and 20191124 :


$ cat z1.cc
template <class> class A
{ enum { e __attribute__ ((access)) }; };


$ g++-12-20220220 -c z1.cc
z1.cc:2:35: internal compiler error: Segmentation fault
    2 | { enum { e __attribute__ ((access)) }; };
      |                                   ^
0xda25ef crash_signal
        ../../gcc/toplev.cc:322
0x7522cc is_late_template_attribute
        ../../gcc/cp/decl2.cc:1299
0x7522cc splice_template_attributes(tree_node**, tree_node*)
        ../../gcc/cp/decl2.cc:1340
0x752b1e cplus_decl_attributes(tree_node**, tree_node*, int)
        ../../gcc/cp/decl2.cc:1662
0x74312e build_enumerator(tree_node*, tree_node*, tree_node*, tree_node*,
unsigned int)
        ../../gcc/cp/decl.cc:16590
0x7ebcb3 cp_parser_enumerator_definition
        ../../gcc/cp/parser.cc:21162
0x7ebcb3 cp_parser_enumerator_list
        ../../gcc/cp/parser.cc:21082
0x7ebcb3 cp_parser_enum_specifier
        ../../gcc/cp/parser.cc:21012
0x7ebcb3 cp_parser_type_specifier
        ../../gcc/cp/parser.cc:19318
0x7ec1a6 cp_parser_decl_specifier_seq
        ../../gcc/cp/parser.cc:15911
0x81304a cp_parser_member_declaration
        ../../gcc/cp/parser.cc:26965
0x7e968e cp_parser_member_specification_opt
        ../../gcc/cp/parser.cc:26821
0x7e968e cp_parser_class_specifier_1
        ../../gcc/cp/parser.cc:25887
0x7eb670 cp_parser_class_specifier
        ../../gcc/cp/parser.cc:26204
0x7eb670 cp_parser_type_specifier
        ../../gcc/cp/parser.cc:19348
0x7ec1a6 cp_parser_decl_specifier_seq
        ../../gcc/cp/parser.cc:15911
0x811d2b cp_parser_single_declaration
        ../../gcc/cp/parser.cc:31648
0x812165 cp_parser_template_declaration_after_parameters
        ../../gcc/cp/parser.cc:31311
0x81293b cp_parser_explicit_template_declaration
        ../../gcc/cp/parser.cc:31577
0x81293b cp_parser_template_declaration_after_export
        ../../gcc/cp/parser.cc:31596