public inbox for gcc-prs@sourceware.org help / color / mirror / Atom feed
From: gbeauchesne@mandrakesoft.com To: gcc-gnats@gcc.gnu.org Cc: david@mandrakesoft.com, aj@suse.de, jh@suse.cz Subject: target/7559: kdelibs miscompilation Date: Fri, 09 Aug 2002 09:56:00 -0000 [thread overview] Message-ID: <20020809162040.10617.qmail@sources.redhat.com> (raw) >Number: 7559 >Category: target >Synopsis: kdelibs miscompilation >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: wrong-code >Submitter-Id: net >Arrival-Date: Fri Aug 09 09:26:01 PDT 2002 >Closed-Date: >Last-Modified: >Originator: Gwenole Beauchesne >Release: MDK gcc 3.1.1-1mdk, SuSE gcc-3.1-8 >Organization: >Environment: x86_64-mandrake-linux-gnu >Description: kdecore from kdelibs 3.0.2 is miscompiled on x86-64. >How-To-Repeat: The following testcase, extracted from kdecore/kwinmodule.cpp (KWinModule::workArea) and kdecore/netwm.cpp (NETRootInfo::workArea) will produce incorrect results in any case but with inlining. <testcase> extern void abort(); struct A { A() : x(100), y(100) { } int x, y; }; struct B { B() : x(100), y(100) { } int x, y; }; struct R { A a; B b; }; class X { R x; public: R get() const; }; R X::get() const { return x; } int main() { X x; R r = x.get(); if (!(r.a.x == 100 && r.a.y == 100 && r.b.x == 100 && r.b.y == 100)) abort(); return 0; } </testcase> A net visible effect is KDesktop window size being reduced to 0x0, 1x0. >Fix: No workaround known yet. >Release-Note: >Audit-Trail: >Unformatted:
next reply other threads:[~2002-08-09 16:26 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2002-08-09 9:56 gbeauchesne [this message] 2002-08-09 10:16 Gwenole Beauchesne 2002-08-09 11:06 Gwenole Beauchesne 2002-08-10 6:16 Gwenole Beauchesne 2002-08-10 6:46 Jan Hubicka 2002-08-11 9:46 Andreas Jaeger 2002-10-06 9:55 aj
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=20020809162040.10617.qmail@sources.redhat.com \ --to=gbeauchesne@mandrakesoft.com \ --cc=aj@suse.de \ --cc=david@mandrakesoft.com \ --cc=gcc-gnats@gcc.gnu.org \ --cc=jh@suse.cz \ /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).