public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "maierkom at rcs dot ei dot tum dot de" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/18739] New: warning of uninitialized value gets suppressed without optimization with initialization after continue in loop Date: Tue, 30 Nov 2004 14:06:00 -0000 [thread overview] Message-ID: <20041130140535.18739.maierkom@rcs.ei.tum.de> (raw) when compiling the following code without optimization no warning is given. when optimization is enabled the following warning is printed: warning: `i' might be used uninitialized in this function This occures with gcc >= 3.3.2 (tested on 3.4.2 and 3.3.2) and independent of host/target/build triplet (testet sparc-sun-solaris2.9 and i686-pc-linux-gnu) with c and c++ frontend. int a(); int b(); void f(int j) { int i; do { if (a()) continue; i = b(); } while (i); } -- Summary: warning of uninitialized value gets suppressed without optimization with initialization after continue in loop Product: gcc Version: 3.4.2 Status: UNCONFIRMED Severity: normal Priority: P2 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: maierkom at rcs dot ei dot tum dot de CC: gcc-bugs at gcc dot gnu dot org GCC build triplet: sparc-sun-solaris2.9 GCC host triplet: sparc-sun-solaris2.9 GCC target triplet: sparc-sun-solaris2.9 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18739
next reply other threads:[~2004-11-30 14:06 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2004-11-30 14:06 maierkom at rcs dot ei dot tum dot de [this message] 2004-11-30 14:17 ` [Bug c/18739] " pinskia at gcc dot gnu dot 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=20041130140535.18739.maierkom@rcs.ei.tum.de \ --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).