public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/106870] ctrl_altering flag is not set correctly Date: Wed, 07 Sep 2022 13:32:13 +0000 [thread overview] Message-ID: <bug-106870-4-ZcFCMv4Tme@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-106870-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106870 --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> --- gcc.dg/torture/pr57036-2.c shows how inlining and non-local gotos come into play here. Note the flag was specifically invented to not make CFG verification ICE when a function in the middle of a block becomes noreturn, for example via IPA analysis. It wasn't necessarily required to have the flag set on stmts ending a BB. Still not having the flag set prevents nothing to put stmts after such call and we'd not complain. gcc.dg/torture/pr83055.c shows how the checking is confused as called from gimple_flow_call_edges_add after adding loads of fake edges.
next prev parent reply other threads:[~2022-09-07 13:32 UTC|newest] Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-07 11:28 [Bug middle-end/106870] New: " rguenth at gcc dot gnu.org 2022-09-07 13:32 ` rguenth at gcc dot gnu.org [this message] 2022-09-08 14:06 ` [Bug middle-end/106870] " cvs-commit at gcc dot gnu.org 2022-09-08 14:08 ` rguenth 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-106870-4-ZcFCMv4Tme@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).