public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "dcb314 at hotmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c/42991] New: cfgexpand.c:2487: Conditional jump or move depends on uninitialised value(s) Date: Sun, 07 Feb 2010 10:24:00 -0000 [thread overview] Message-ID: <bug-42991-9596@http.gcc.gnu.org/bugzilla/> (raw) I just tried to compile the Linux kernel 2.6.33-rc6 under valgrind with the C compiler version 4.5 snapshot 20100128 and valgrind said ==17102== Conditional jump or move depends on uninitialised value(s) ==17102== at 0x56D105: expand_debug_expr (cfgexpand.c:2487) ==17102== by 0x56C912: expand_debug_expr (cfgexpand.c:2876) ==17102== by 0x570D54: gimple_expand_cfg (cfgexpand.c:2981) ==17102== by 0x722ECA: execute_one_pass (passes.c:1561) ==17102== by 0x723154: execute_pass_list (passes.c:1616) ==17102== by 0x818C94: tree_rest_of_compilation (tree-optimize.c:413) ==17102== by 0x99A420: cgraph_expand_function (cgraphunit.c:1543) ==17102== by 0x99CE44: cgraph_optimize (cgraphunit.c:1622) ==17102== by 0x99D3A4: cgraph_finalize_compilation_unit (cgraphunit.c:1093) ==17102== by 0x4B0602: c_write_global_declarations (c-decl.c:9537) ==17102== by 0x7C7AFB: toplev_main (toplev.c:1065) ==17102== by 0x6568A7C: (below main) (in /lib64/libc-2.10.1.so) ==17102== Line 2487 of cfgexpand.c is if (bitsize == 0) return NULL; Preprocessed source code attached. Flags -Os -g required. -- Summary: cfgexpand.c:2487: Conditional jump or move depends on uninitialised value(s) Product: gcc Version: 4.5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dcb314 at hotmail dot com GCC host triplet: x86_64-suse-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42991
next reply other threads:[~2010-02-07 10:24 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-02-07 10:24 dcb314 at hotmail dot com [this message] 2010-02-07 10:25 ` [Bug c/42991] " dcb314 at hotmail dot com 2010-02-07 10:59 ` [Bug debug/42991] [4.5 Regression] " rguenth at gcc dot gnu dot org 2010-02-07 15:23 ` rguenth at gcc dot gnu dot org 2010-02-07 15:29 ` rguenth at gcc dot gnu dot org 2010-02-07 17:18 ` rguenth at gcc dot gnu dot org 2010-02-07 17:19 ` rguenth 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=bug-42991-9596@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).