https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99899
Bug ID: 99899
Summary: ICE: in do_auto_deduction, at cp/pt.c:29630
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: hewillk at gmail dot com
Target Milestone: ---
This is a small variant of fixed PR 99815, PR 99869.
https://godbolt.org/z/zrnPqdenx
template <typename...> concept C = true;
struct S { int a, b; };
template <typename... Ts>
auto bar(Ts...) { C<Ts...> auto [a, b] = S{}; }
<source>: In function 'auto bar(Ts ...)':
<source>:6:44: internal compiler error: in do_auto_deduction, at cp/pt.c:29630
6 | auto bar(Ts...) { C<Ts...> auto [a, b] = S{}; }
| ^
0x1cfd119 internal_error(char const*, ...)
???:0
0x6baa1b fancy_abort(char const*, int, char const*)
???:0
0x90a8c4 do_auto_deduction(tree_node*, tree_node*, tree_node*, int,
auto_deduction_context, tree_node*, int)
???:0
0x7b1e34 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int)
???:0
0x8e140d c_parse_file()
???:0
0xa606f2 c_common_parse_file()
???:0
Please submit a full bug report,
with preprocessed source if appropriate.
