From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 13873 invoked by alias); 28 Jan 2013 23:16:08 -0000 Received: (qmail 13566 invoked by uid 48); 28 Jan 2013 23:15:35 -0000 From: "vries at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug regression/56131] [4.8 regression] gcc.dg/pr56035.c ICEs gcc on sparc-linux Date: Mon, 28 Jan 2013 23:16:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: regression X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: vries at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status Last reconfirmed Ever Confirmed Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2013-01/txt/msg02615.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56131 vries at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2013-01-28 Ever Confirmed|0 |1 --- Comment #2 from vries at gcc dot gnu.org 2013-01-28 23:15:32 UTC --- I can reproduce this on a x86_64-linux to sparc-linux cross-compiler. The segv is due to bb being null and dereferenced: ... Program received signal SIGSEGV, Segmentation fault. 0x000000000066145b in delete_insn (insn=0x7ffff6b1a480) at gcc/cfgrtl.c:150 150 BB_HEAD (bb) = bb_note; (gdb) p bb $4 = (basic_block) 0x0 ... the bb var is set here: ... 138 basic_block bb = BLOCK_FOR_INSN (insn); ... with insn being: ... (gdb) call debug_rtx (insn) (code_label 22 21 23 3 ("lbl1") [0 uses]) ...