public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "muecker at gwdg dot de" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/101838] sizeof of struct with array of unspecified bound folded to constant Date: Tue, 10 Aug 2021 21:17:28 +0000 [thread overview] Message-ID: <bug-101838-4-1WvfDgWWIz@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-101838-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101838 --- Comment #1 from Martin Uecker <muecker at gwdg dot de> --- Actually, the example before might have been fixed already, but these two are still wrong: int bar( struct f { int a[*]; } v, int (*b)[sizeof(struct f)] // folded to zero ); int foo(void) { int n = 0; return sizeof(typeof(*({ n = 10; struct foo { int x[n]; } x; &x; }))); } int main() { if (sizeof(struct foo { int x[10]; }) != foo()) __builtin_abort(); return 0; } ~
next prev parent reply other threads:[~2021-08-10 21:17 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-08-10 5:57 [Bug c/101838] New: " muecker at gwdg dot de 2021-08-10 21:17 ` muecker at gwdg dot de [this message] 2021-08-12 18:37 ` [Bug c/101838] " cvs-commit at gcc dot gnu.org 2021-08-14 17:47 ` muecker at gwdg dot de
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-101838-4-1WvfDgWWIz@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).