From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 27326 invoked by alias); 10 Oct 2011 11:40:27 -0000 Received: (qmail 27316 invoked by uid 22791); 10 Oct 2011 11:40:26 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 10 Oct 2011 11:40:12 +0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug debug/48150] [4.7 Regression] gcc.dg/guality/sra-1.c Date: Mon, 10 Oct 2011 11:40:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: debug X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth 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: 4.7.0 X-Bugzilla-Changed-Fields: Status Last reconfirmed CC 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: 2011-10/txt/msg00756.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48150 Richard Guenther changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2011-10-10 CC| |jakub at gcc dot gnu.org Ever Confirmed|0 |1 --- Comment #4 from Richard Guenther 2011-10-10 11:39:47 UTC --- I only see FAIL: gcc.dg/guality/sra-1.c -O1 line 43 a.i == 4 FAIL: gcc.dg/guality/sra-1.c -O1 line 43 a.j == 14 now with gdb 7.3. 43 bar (a.j); /* { dg-final { gdb-test 43 "a.j" "14" } } */^M $1 = 0^M $2 = 4^M 0 != 4 FAIL: gcc.dg/guality/sra-1.c -O1 line 43 a.i == 4 43 bar (a.j); /* { dg-final { gdb-test 43 "a.j" "14" } } */^M $1 = 0^M $2 = 14^M A debugging session is active.^M ^M Inferior 1 [process 4603] will be killed.^M ^M 0 != 14 FAIL: gcc.dg/guality/sra-1.c -O1 line 43 a.j == 14 manually debugging yields (gdb) b 43 (gdb) run (gdb) p a.j $1 = 0 (gdb) p a.i $2 = 0 (gdb) p a $3 = The location list looks like 000002ec 0000000000400581 0000000000400586 (DW_OP_bit_piece: size: 4 offset: 0 ; DW_OP_lit4; DW_OP_stack_value; DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_ breg5 (rdi): 6; DW_OP_stack_value; DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_b it_piece: size: 4 offset: 0 ) 000002ec 0000000000400586 000000000040058b (DW_OP_bit_piece: size: 4 offset: 0 ; DW_OP_reg0 (rax); DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_breg5 (rdi): 7; DW_OP_stack_value; DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_bit_piece: siz e: 4 offset: 0 ) 000002ec 000000000040058b 000000000040058f (DW_OP_bit_piece: size: 4 offset: 0 ; DW_OP_reg0 (rax); DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_breg3 (rbx): 7; DW_OP_stack_value; DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_bit_piece: siz e: 4 offset: 0 ) 000002ec 000000000040058f 0000000000400593 (DW_OP_bit_piece: size: 4 offset: 0 ; DW_OP_reg6 (rbp); DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_breg3 (rbx): 7; DW_OP_stack_value; DW_OP_bit_piece: size: 12 offset: 0 ; DW_OP_bit_piece: siz e: 4 offset: 0 ) 000002ec 0000000000400593 00000000004005b1 (DW_OP_bit_piece: size: 4 offset: 0 ; DW_OP_reg6 (rbp); DW_OP_bit_piece: size: 12 offset: 0 ; (User defined locat ion op)) 000002ec 00000000004005b1 00000000004005b6 (DW_OP_piece: 2; (User defined lo cation op)) 000002ec which is weird because of the size: 12 entries(?) Jakub?