https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119446
Bug ID: 119446
Summary: ICE in finish_member_declaration, at
cp/semantics.cc:4235
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-checking, ice-on-invalid-code
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: rush102333 at gmail dot com
Target Milestone: ---
Simplified test input:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
struct Base {
virtual void func();
};
template <typename T>
struct wrapper {
struct : Base {
};
};
void uses() {
wrapper<int> w;
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Stack Dump:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<source>:7:12: error: anonymous struct with base classes [-Wtemplate-body]
7 | struct : Base {
| ^
<source>: In instantiation of 'struct wrapper<int>':
<source>:12:18: required from here
12 | wrapper<int> w;
| ^
<source>:7:5: internal compiler error: in finish_member_declaration, at
cp/semantics.cc:4235
7 | struct : Base {
| ^~~~~~
0x291f785 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x2936756 internal_error(char const*, ...)
???:0
0xacfde6 fancy_abort(char const*, int, char const*)
???:0
0xd55247 instantiate_class_template(tree_node*)
???:0
0xb997c2 start_decl_1(tree_node*, bool)
???:0
0xbb9ddf start_decl(cp_declarator const*, cp_decl_specifier_seq*, int,
tree_node*, tree_node*, tree_node**)
???:0
0xcf21b3 c_parse_file()
???:0
0xe545f9 c_common_parse_file()
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Please see https://godbolt.org/z/3sc8zzz1Y
