[Bug c++/81124] New: internal compiler error: in operator*, at cp/cp-tree.h:726

["hunter at openrobotics dot org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81124

            Bug ID: 81124
           Summary: internal compiler error: in operator*, at
                    cp/cp-tree.h:726
           Product: gcc
           Version: 8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hunter at openrobotics dot org
  Target Milestone: ---

Got an internal compiler error, seems to be a regression.


/home/allenh1/ros2_ws/src/ros2/rclcpp/rclcpp/src/rclcpp/parameter.cpp:254:65:  
  internal compiler error: in operator*, at cp/cp-tree.h:726
std::to_string(const rclcpp::parameter::ParameterVariant & param)

Here's the backtrace:

0x5e48d9 ovl_iterator::operator*() const
        ../../gcc-dev/gcc/cp/cp-tree.h:726
0x8c6a3e ovl_iterator::operator*() const
        ../../gcc-dev/gcc/cp/cp-tree.h:726
0x8c6a3e set_decl_namespace(tree_node*, tree_node*, bool)
        ../../gcc-dev/gcc/cp/name-lookup.c:4341
0x5c4f18 grokfndecl
        ../../gcc-dev/gcc/cp/decl.c:8605
0x8654a4 grokdeclarator(cp_declarator const*, cp_decl_specifier_seq*,
decl_context, int, tree_node**)
        ../../gcc-dev/gcc/cp/decl.c:12220
0x868e46 start_function(cp_decl_specifier_seq*, cp_declarator const*,
tree_node*)
        ../../gcc-dev/gcc/cp/decl.c:15139
0x8e5e6f cp_parser_function_definition_from_specifiers_and_declarator
        ../../gcc-dev/gcc/cp/parser.c:26162
0x8e5e6f cp_parser_init_declarator
        ../../gcc-dev/gcc/cp/parser.c:19172
0x90280c cp_parser_simple_declaration
        ../../gcc-dev/gcc/cp/parser.c:12804
0x903535 cp_parser_block_declaration
        ../../gcc-dev/gcc/cp/parser.c:12629
0x8d9144 cp_parser_declaration
        ../../gcc-dev/gcc/cp/parser.c:12527
0x909b2b cp_parser_declaration_seq_opt
        ../../gcc-dev/gcc/cp/parser.c:12403
0x909e52 cp_parser_translation_unit
        ../../gcc-dev/gcc/cp/parser.c:4364
0x909e52 c_parse_file()
        ../../gcc-dev/gcc/cp/parser.c:38477
0xa09926 c_common_parse_file()
        ../../gcc-dev/gcc/c-family/c-opts.c:1104