public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/99833] [8/9/10/11 Regression] structured binding + if init + generic lambda = internal compiler error Date: Tue, 30 Mar 2021 20:24:48 +0000 [thread overview] Message-ID: <bug-99833-4-yBCgrLGgxP@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-99833-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99833 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2021-03-30 Keywords| |ice-on-valid-code Target Milestone|--- |8.5 Status|UNCONFIRMED |NEW Summary|structured binding + if |[8/9/10/11 Regression] |init + generic lambda = |structured binding + if |internal compiler error |init + generic lambda = | |internal compiler error CC| |mpolacek at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Confirmed. $ xg++-7 -c 99833.C -std=c++17 -fconcepts # ok $ xg++-8 -c 99833.C -std=c++17 -fconcepts 99833.C: In instantiation of ‘f(auto:1&&) [with auto:1 = int]::<lambda(auto:2 ...)> [with auto:2 = {}]’: 99833.C:8:10: required from ‘auto f(auto:1&&) [with auto:1 = int]’ 99833.C:12:13: required from here 99833.C:6:32: internal compiler error: in tsubst_decomp_names, at cp/pt.c:16673 if constexpr (auto [_, z] = y; requires { z; }) ^~~~~~ 0xa44cc6 tsubst_decomp_names /home/mpolacek/src/gcc8/gcc/cp/pt.c:16673 0xa46041 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:16837 0xa4b103 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:17512 0xa46e75 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:16961 0xa45012 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:16714 0xa475be tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:17014 0xa475be tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:17014 0xa45012 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:16714 0xa475be tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:17014 0xa68a40 instantiate_decl(tree_node*, bool, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:24161 0x90b1e3 maybe_instantiate_decl /home/mpolacek/src/gcc8/gcc/cp/decl2.c:5211 0x90bb8a mark_used(tree_node*, int) /home/mpolacek/src/gcc8/gcc/cp/decl2.c:5312 0x814c71 build_over_call /home/mpolacek/src/gcc8/gcc/cp/call.c:8286 0x804e91 build_op_call_1 /home/mpolacek/src/gcc8/gcc/cp/call.c:4589 0x805053 build_op_call(tree_node*, vec<tree_node*, va_gc, vl_embed>**, int) /home/mpolacek/src/gcc8/gcc/cp/call.c:4618 0xa9a847 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool, bool, int) /home/mpolacek/src/gcc8/gcc/cp/semantics.c:2567 0xa503bf tsubst_copy_and_build(tree_node*, tree_node*, int, tree_node*, bool, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:18594 0xa4b422 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:17530 0xa4512d tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:16728 0xa45012 tsubst_expr(tree_node*, tree_node*, int, tree_node*, bool) /home/mpolacek/src/gcc8/gcc/cp/pt.c:16714
next prev parent reply other threads:[~2021-03-30 20:24 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-30 17:17 [Bug c++/99833] New: " nickgray0 at brown dot edu 2021-03-30 20:24 ` mpolacek at gcc dot gnu.org [this message] 2021-03-30 20:57 ` [Bug c++/99833] [8/9/10/11 Regression] " mpolacek at gcc dot gnu.org 2021-03-30 20:58 ` mpolacek at gcc dot gnu.org 2021-03-30 21:28 ` ppalka at gcc dot gnu.org 2021-03-31 7:56 ` rguenth at gcc dot gnu.org 2021-03-31 17:24 ` ppalka at gcc dot gnu.org 2021-04-14 9:40 ` jakub at gcc dot gnu.org 2021-04-14 9:54 ` jakub at gcc dot gnu.org 2021-04-14 10:36 ` jakub at gcc dot gnu.org 2021-04-14 11:14 ` jakub at gcc dot gnu.org 2021-04-14 12:25 ` ppalka at gcc dot gnu.org 2021-04-16 7:33 ` cvs-commit at gcc dot gnu.org 2021-04-16 7:35 ` [Bug c++/99833] [8/9/10 " jakub at gcc dot gnu.org 2021-04-20 9:46 ` cvs-commit at gcc dot gnu.org 2021-04-20 9:53 ` [Bug c++/99833] [8/9 " jakub at gcc dot gnu.org 2021-04-20 23:34 ` cvs-commit at gcc dot gnu.org 2021-04-22 16:53 ` cvs-commit at gcc dot gnu.org 2021-04-22 17:11 ` jakub at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-99833-4-yBCgrLGgxP@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).