public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "jlame646 at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/107450] New: GCC accepts invalid program involving multiple template parameter packs Date: Fri, 28 Oct 2022 13:27:54 +0000 [thread overview] Message-ID: <bug-107450-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107450 Bug ID: 107450 Summary: GCC accepts invalid program involving multiple template parameter packs Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: jlame646 at gmail dot com Target Milestone: --- The following invalid program is accepted by gcc and clang but rejected by msvc: Demo: https://godbolt.org/z/Esbq4qK94 ``` template<typename... T1, typename... T2, typename... T3> void foo(T1&&...args1, T2&&... args2, T3&&... args3) { std::cout << "args1:\n", ((std::cout << args1 << " "), ...); std::cout << "args2:\n", ((std::cout << args2 << " "), ...); std::cout << "args3:\n", ((std::cout << args3 << " "), ...); } int main(int argc, char** argv) { foo(1,2,3,4,5,6); //gcc and clang compiles this while msvc correctly rejects this } ```
next reply other threads:[~2022-10-28 13:27 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-10-28 13:27 jlame646 at gmail dot com [this message] 2022-10-28 15:05 ` [Bug c++/107450] " jlame646 at gmail dot com 2023-05-19 3:03 ` pinskia 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-107450-4@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).