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From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/99811] New: ICE: tree check: accessed elt 2 of 'tree_vec' with 1 elts in tsubst_pack_expansion, at cp/pt.c:13002 Date: Mon, 29 Mar 2021 07:57:03 +0000 [thread overview] Message-ID: <bug-99811-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99811 Bug ID: 99811 Summary: ICE: tree check: accessed elt 2 of 'tree_vec' with 1 elts in tsubst_pack_expansion, at cp/pt.c:13002 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: --- https://godbolt.org/z/shj7Tr65M related to PR 99809: #include <concepts> template <typename... Ts> auto f(Ts...) { return []<typename... Us>(std::same_as<Ts> auto...) {}; } int main() { f(0, 0.5)(); } <source>:9:12: internal compiler error: tree check: accessed elt 2 of 'tree_vec' with 1 elts in tsubst_pack_expansion, at cp/pt.c:13002 9 | f(0, 0.5)(); | ~~~~~~~~~^~ 0x1cfb7f9 internal_error(char const*, ...) ???:0 0x67bcb2 tree_vec_elt_check_failed(int, int, char const*, int, char const*) ???:0 0x93095c tsubst_pack_expansion(tree_node*, tree_node*, int, tree_node*) ???:0 0x73efca constraints_satisfied_p(tree_node*, tree_node*) ???:0 0x954963 fn_type_unification(tree_node*, tree_node*, tree_node*, tree_node* const*, unsigned int, tree_node*, unification_kind_t, int, conversion**, bool, bool) ???:0 0x6e225e build_op_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, int) ???:0 0x980ae5 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int) ???:0 0x8e12ad c_parse_file() ???:0 0xa600a2 c_common_parse_file() ???:0 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report.
next reply other threads:[~2021-03-29 7:57 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-29 7:57 hewillk at gmail dot com [this message] 2021-03-29 8:10 ` [Bug c++/99811] " hewillk at gmail dot com 2021-09-20 22:37 ` pinskia at gcc dot gnu.org 2021-12-14 8:04 ` pinskia at gcc dot gnu.org 2021-12-14 8:07 ` pinskia at gcc dot gnu.org 2021-12-14 8:10 ` pinskia at gcc dot gnu.org 2022-02-01 12:48 ` marxin at gcc dot gnu.org 2022-02-02 4:42 ` pinskia at gcc dot gnu.org
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