[Bug c++/84962] New: internal compiler error: in get_fns, at cp/tree.c:2505

[vegard.nossum at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84962

            Bug ID: 84962
           Summary: internal compiler error: in get_fns, at cp/tree.c:2505
           Product: gcc
           Version: 8.0.1
            Status: UNCONFIRMED
          Keywords: ice-on-invalid-code
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: vegard.nossum at oracle dot com
                CC: webrown.cpp at gmail dot com
  Target Milestone: ---

Input:

struct {
  struct {
    template <typename> void a();
  };          : a
}

Output:

$ cc1plus 
<stdin>:4:17: internal compiler error: in get_fns, at cp/tree.c:2505
0x130ac07 get_fns(tree_node*)
        /home/vegard/git/gcc/gcc/cp/tree.c:2504
0x130adf0 get_first_fn(tree_node*)
        /home/vegard/git/gcc/gcc/cp/tree.c:2514
0x12ae65f finish_id_expression(tree_node*, tree_node*, tree_node*, cp_id_kind*,
bool, bool, bool*, bool, bool, bool, bool, char const**, unsigned int)
        /home/vegard/git/gcc/gcc/cp/semantics.c:3731
0xf33f42 cp_parser_primary_expression
        /home/vegard/git/gcc/gcc/cp/parser.c:5611
0xf7698b cp_parser_postfix_expression
        /home/vegard/git/gcc/gcc/cp/parser.c:7030
0xf2a4b7 cp_parser_unary_expression
        /home/vegard/git/gcc/gcc/cp/parser.c:8322
0xebfeca cp_parser_cast_expression
        /home/vegard/git/gcc/gcc/cp/parser.c:9090
0xec24f6 cp_parser_binary_expression
        /home/vegard/git/gcc/gcc/cp/parser.c:9191
0xecbd14 cp_parser_constant_expression
        /home/vegard/git/gcc/gcc/cp/parser.c:9762
0xfdec8d cp_parser_member_declaration
        /home/vegard/git/gcc/gcc/cp/parser.c:23684
0xf142ab cp_parser_member_specification_opt
        /home/vegard/git/gcc/gcc/cp/parser.c:23374
0xf142ab cp_parser_class_specifier_1
        /home/vegard/git/gcc/gcc/cp/parser.c:22516
0xf231cb cp_parser_class_specifier
        /home/vegard/git/gcc/gcc/cp/parser.c:22768
0xf231cb cp_parser_type_specifier
        /home/vegard/git/gcc/gcc/cp/parser.c:16774
0xf8858a cp_parser_decl_specifier_seq
        /home/vegard/git/gcc/gcc/cp/parser.c:13629
0xfa3a70 cp_parser_simple_declaration
        /home/vegard/git/gcc/gcc/cp/parser.c:12938
0xfab998 cp_parser_block_declaration
        /home/vegard/git/gcc/gcc/cp/parser.c:12883
0xffead5 cp_parser_declaration
        /home/vegard/git/gcc/gcc/cp/parser.c:12780
0xff5b8b cp_parser_declaration_seq_opt
        /home/vegard/git/gcc/gcc/cp/parser.c:12656
0xff71b3 cp_parser_translation_unit
        /home/vegard/git/gcc/gcc/cp/parser.c:4561
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

Version:

GNU C++14 (GCC) version 8.0.1 20180306 (experimental) (x86_64-pc-linux-gnu)