From unknown Fri Aug 15 12:54:57 2025 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.509 (Entity 5.509) Content-Type: text/plain; charset=utf-8 From: bug#16492 <16492@debbugs.gnu.org> To: bug#16492 <16492@debbugs.gnu.org> Subject: Status: Emacs won't bootstrap with clang 3.4 on Cygwin Reply-To: bug#16492 <16492@debbugs.gnu.org> Date: Fri, 15 Aug 2025 19:54:57 +0000 retitle 16492 Emacs won't bootstrap with clang 3.4 on Cygwin reassign 16492 emacs submitter 16492 mirek.kaim@gmail.com severity 16492 normal thanks From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 19 02:56:25 2014 Received: (at submit) by debbugs.gnu.org; 19 Jan 2014 07:56:25 +0000 Received: from localhost ([127.0.0.1]:56576 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4nF1-0007bD-GL for submit@debbugs.gnu.org; Sun, 19 Jan 2014 02:56:24 -0500 Received: from eggs.gnu.org ([208.118.235.92]:59111) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4nEv-0007b1-Q9 for submit@debbugs.gnu.org; Sun, 19 Jan 2014 02:56:18 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W4nEq-0005Gw-42 for submit@debbugs.gnu.org; Sun, 19 Jan 2014 02:56:17 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50 autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:37945) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4nEq-0005Gs-19 for submit@debbugs.gnu.org; Sun, 19 Jan 2014 02:56:12 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60833) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4nEk-0002x3-Uk for bug-gnu-emacs@gnu.org; Sun, 19 Jan 2014 02:56:11 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W4nEf-0005Bc-VA for bug-gnu-emacs@gnu.org; Sun, 19 Jan 2014 02:56:06 -0500 Received: from smtp.cs.ucla.edu ([131.179.128.62]:53699) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4nEf-0004x9-Ke for bug-gnu-emacs@gnu.org; Sun, 19 Jan 2014 02:56:01 -0500 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 7B984A60006 for ; Sat, 18 Jan 2014 23:55:54 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id INfLzv8zB3Iz for ; Sat, 18 Jan 2014 23:55:53 -0800 (PST) Received: from [192.168.1.9] (pool-108-0-233-62.lsanca.fios.verizon.net [108.0.233.62]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 7322339E8011 for ; Sat, 18 Jan 2014 23:55:53 -0800 (PST) Message-ID: <52DB8508.1040605@cs.ucla.edu> Date: Sat, 18 Jan 2014 23:55:52 -0800 From: Paul Eggert Organization: UCLA Computer Science Department User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: GNU Emacs bugs Subject: Emacs won't bootstrap with clang 3.4 on Cygwin Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.0 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.0 (----) [This bug was originally reported by mirek.kaim in http://lists.gnu.org/archive/html/emacs-devel/2014-01/msg01702.html and I'm taking the liberty of copying its contents below.] editfns.c gets miscompiled at -O > 0, causing emacs to crash. backtrace: (gdb) run Starting program: /y/build/emacs/src/temacs --batch --load loadup bootstrap [New Thread 3728.0x10dc] [New Thread 3728.0x10c0] Loading loadup.el (source)... Using load-path (/y/emacs/lisp /y/emacs/lisp/emacs-lisp /y/emacs/lisp/language /y/emacs/lisp/international /y/emacs/lisp/textmodes /y/emacs/lisp/vc) [New Thread 3728.0xdd4] Loading emacs-lisp/byte-run (source)... Loading emacs-lisp/backquote (source)... Loading subr (source)... Loading version (source)... Program received signal SIGSEGV, Segmentation fault. strftime_case_ (upcase=false, s=0x228f00 "\001\212\210", maxsize=, format=0x0, tp=0xa, ut=, ns=) at ../../../emacs/lib/strftime.c:507 507 for (f = format; *f != '\0'; ++f) (gdb) backtrace #0 strftime_case_ (upcase=false, s=0x228f00 "\001\212\210", maxsize=, format=0x0, tp=0xa, ut=, ns=) at ../../../emacs/lib/strftime.c:507 #1 0x005a80c2 in nstrftime (s=0x228f00 "\001\212\210", maxsize=0, format=0x0, tp=0x61256e80 , ut=1, ns=484375000) at ../../../emacs/lib/strftime.c:1449 #2 0x00513ef0 in format_time_string (format=0x0, formatlen=0, t=..., ut=, tmp=) at ../../../emacs/src/editfns.c:1672 #3 0x00513d44 in Fformat_time_string (format_string=, timeval=2268888, universal=) at ../../../emacs/src/editfns.c:1756 #4 0x0051d61c in eval_sub (form=) at ../../../emacs/src/eval.c:2182 #5 0x0051d429 in eval_sub (form=) at ../../../emacs/src/eval.c:2140 #6 0x0051e6e1 in Flet (args=) at ../../../emacs/src/eval.c:937 #7 0x0051d397 in eval_sub (form=) at ../../../emacs/src/eval.c:2124 #8 0x0052175b in funcall_lambda (fun=, nargs=, arg_vector=) at ../../../emacs/src/eval.c:459 #9 0x00520346 in apply_lambda (fun=9104334, args=) at ../../../emacs/src/eval.c:2915 ---Type to continue, or q to quit--- #10 0x0051d53d in eval_sub (form=) at ../../../emacs/src/eval.c:2221 #11 0x0052030b in apply_lambda (fun=9361006, args=) at ../../../emacs/src/eval.c:2906 #12 0x0051d53d in eval_sub (form=) at ../../../emacs/src/eval.c:2221 #13 0x0051d429 in eval_sub (form=) at ../../../emacs/src/eval.c:2140 #14 0x0051d4d9 in eval_sub (form=) at ../../../emacs/src/eval.c:2161 #15 0x0053e568 in readevalloop (readcharfun=8496874, stream=0x864080 , sourcename=, printflag=, unibyte=, readfun=8130560, start=, end=) at ../../../emacs/src/lread.c:1934 #16 0x0053d3f4 in Fload (file=, noerror=, nomessage=, nosuffix=, must_suffix=) at ../../../emacs/src/lread.c:1370 #17 0x0051d675 in eval_sub (form=) at ../../../emacs/src/eval.c:2190 #18 0x0053e568 in readevalloop (readcharfun=8496874, stream=0x864010 , sourcename=, printflag=, unibyte=, readfun=8130560, ---Type to continue, or q to quit--- start=, end=) at ../../../emacs/src/lread.c:1934 #19 0x0053d3f4 in Fload (file=, noerror=, nomessage=, nosuffix=, must_suffix=) at ../../../emacs/src/lread.c:1370 #20 0x0051d675 in eval_sub (form=) at ../../../emacs/src/eval.c:2190 #21 0x005200d7 in Feval (form=8430502, lexical=) at ../../../emacs/src/eval.c:1994 #22 0x004bd1bd in top_level_2 () at ../../../emacs/src/keyboard.c:1179 #23 0x0051f4af in internal_condition_case (bfun=0x77e170 , handlers=, hfun=) at ../../../emacs/src/eval.c:1345 #24 0x004bd183 in top_level_1 (ignore=8450074) at ../../../emacs/src/keyboard.c:1187 #25 0x0051ee24 in internal_catch (tag=, func=0x0, arg=7856496) at ../../../emacs/src/eval.c:1109 #26 0x004ac41a in recursive_edit_1 () at ../../../emacs/src/keyboard.c:1148 #27 0x004ac5d5 in Frecursive_edit () at ../../../emacs/src/keyboard.c:841 #28 0x004ab10a in main ( argc=, argv=) at ../../../emacs/src/emacs.c:1637 (gdb) exact steps to reproduce: http://aurora.irc.arloria.net/~unic0rn/emacs_clang_optimization_bug.html my workaround is kinda silly, but at least it works. i've tried to modify editfns.c to trick llvm's optimizers into generating something that will work, to no avail. it seems like the first param doesn't end up on the stack somehow. since llvm/clang 3.4 is a current release version, i guess it'll land on osx and freebsd sooner than later, and if they won't fix that until then - well, it may cause some problems. unfortunately, i can't test it with higher -march settings, because my cpu doesn't even support SSE2. i've filled a bug for llvm, but i'm not sure how far it'll go: http://llvm.org/bugs/show_bug.cgi?id=18537 From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 19 03:02:04 2014 Received: (at control) by debbugs.gnu.org; 19 Jan 2014 08:02:05 +0000 Received: from localhost ([127.0.0.1]:56582 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4nKW-0007mQ-KF for submit@debbugs.gnu.org; Sun, 19 Jan 2014 03:02:04 -0500 Received: from smtp.cs.ucla.edu ([131.179.128.62]:35264) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4nKU-0007m1-9V for control@debbugs.gnu.org; Sun, 19 Jan 2014 03:02:03 -0500 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 54652A60005 for ; Sun, 19 Jan 2014 00:02:01 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1YOCk+KxFX5C for ; Sun, 19 Jan 2014 00:02:01 -0800 (PST) Received: from [192.168.1.9] (pool-108-0-233-62.lsanca.fios.verizon.net [108.0.233.62]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 0D40F39E8014 for ; Sun, 19 Jan 2014 00:02:01 -0800 (PST) Message-ID: <52DB8678.9080902@cs.ucla.edu> Date: Sun, 19 Jan 2014 00:02:00 -0800 From: Paul Eggert Organization: UCLA Computer Science Department User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: control@debbugs.gnu.org Subject: change submitter to actual submitter Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -2.7 (--) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.7 (--) submitter 16492 mirek.kaim@gmail.com From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 19 03:07:21 2014 Received: (at 16492) by debbugs.gnu.org; 19 Jan 2014 08:07:21 +0000 Received: from localhost ([127.0.0.1]:56587 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4nPd-0007vW-Aq for submit@debbugs.gnu.org; Sun, 19 Jan 2014 03:07:21 -0500 Received: from smtp.cs.ucla.edu ([131.179.128.62]:35485) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4nPb-0007vO-9M for 16492@debbugs.gnu.org; Sun, 19 Jan 2014 03:07:19 -0500 Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 0156AA60005; Sun, 19 Jan 2014 00:07:19 -0800 (PST) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id z+Vf26gN-Wcb; Sun, 19 Jan 2014 00:07:18 -0800 (PST) Received: from [192.168.1.9] (pool-108-0-233-62.lsanca.fios.verizon.net [108.0.233.62]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 9763E39E8011; Sun, 19 Jan 2014 00:07:18 -0800 (PST) Message-ID: <52DB87B6.2060101@cs.ucla.edu> Date: Sun, 19 Jan 2014 00:07:18 -0800 From: Paul Eggert Organization: UCLA Computer Science Department User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: 16492@debbugs.gnu.org Subject: can't reproduce it with clang 3.4 on Fedora x86-64 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -2.7 (--) X-Debbugs-Envelope-To: 16492 Cc: unic0rn X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -2.7 (--) For what it's worth, I cannot reproduce the problem with clang 3.4 (which I downloaded and built myself) on Fedora 20 x86-64. 'make bootstrap' works just fine, with trunk bzr 116067. Most likely the problem is specific to x86, and perhaps it needs the optimization parameters '-march=pentium3 -mtune=pentium3 -O3' that were given in the exact steps to reproduce. From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 19 06:23:22 2014 Received: (at submit) by debbugs.gnu.org; 19 Jan 2014 11:23:23 +0000 Received: from localhost ([127.0.0.1]:56656 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4qTK-00067x-0L for submit@debbugs.gnu.org; Sun, 19 Jan 2014 06:23:22 -0500 Received: from eggs.gnu.org ([208.118.235.92]:53617) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4qTI-00067p-9Y for submit@debbugs.gnu.org; Sun, 19 Jan 2014 06:23:20 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W4qT8-0007fl-IA for submit@debbugs.gnu.org; Sun, 19 Jan 2014 06:23:20 -0500 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,FREEMAIL_FROM autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:36202) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4qT8-0007fh-F0 for submit@debbugs.gnu.org; Sun, 19 Jan 2014 06:23:10 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55307) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4qT0-0006dx-SY for bug-gnu-emacs@gnu.org; Sun, 19 Jan 2014 06:23:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W4qSt-0007b9-J8 for bug-gnu-emacs@gnu.org; Sun, 19 Jan 2014 06:23:02 -0500 Received: from smtp204.alice.it ([82.57.200.100]:18287) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W4qSt-0007b5-CD for bug-gnu-emacs@gnu.org; Sun, 19 Jan 2014 06:22:55 -0500 Received: from [192.168.1.100] (80.181.241.95) by smtp204.alice.it (8.6.060.28) (authenticated as angelo.graziosi@alice.it) id 52D38A80022A5211 for bug-gnu-emacs@gnu.org; Sun, 19 Jan 2014 12:22:53 +0100 Message-ID: <52DBB587.8060204@alice.it> Date: Sun, 19 Jan 2014 12:22:47 +0100 From: Angelo Graziosi User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: bug-emacs Subject: Re: bug#16492: Emacs won't bootstrap with clang 3.4 on Cygwin Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) Paul Eggert wrote: > This bug was originally reported by mirek.kaim For the sake of completeness, Emacs (GTK on Cygwin 32) builds just fine with the official Cygwin CLANG package, i.e. version 3.1. I do this weekly and it is more than an year... The last build is from yesterday trunk... But, perhaps, the issue regards only CLANG 3.4.. Ciao, Angelo. From debbugs-submit-bounces@debbugs.gnu.org Sun Jan 19 19:08:39 2014 Received: (at 16492) by debbugs.gnu.org; 20 Jan 2014 00:08:39 +0000 Received: from localhost ([127.0.0.1]:57402 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W52Pu-0003wb-HL for submit@debbugs.gnu.org; Sun, 19 Jan 2014 19:08:39 -0500 Received: from mail-wg0-f46.google.com ([74.125.82.46]:58605) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1W4zJy-0006lG-2Y for 16492@debbugs.gnu.org; Sun, 19 Jan 2014 15:50:18 -0500 Received: by mail-wg0-f46.google.com with SMTP id x12so6174449wgg.25 for <16492@debbugs.gnu.org>; Sun, 19 Jan 2014 12:50:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=AzIQWjEHLuY2zaBBEwoFGwhoBBkmvUWTo7xcnSnxans=; b=RuGrLlGfdHNgSzstis9nmwPm26aHvmPyd1IbmTM80Otz73nfYHATiWL9LcXj0rOrGg pPF8gn95jS24oRDXrTR/k6u6dbP4LmTrjo4iQd3dgXGKK1T06YXD4b2ToKUudmHz0UPB Ph35pMTX2hDlKFjAFvIxUo6JeT3u1D0SBg2QLjI+0G55gy02Vb/RT3jfAZ66s3UVczf6 JaLUUAmJIICAL+If9WiSe/O9uBsZIWXa5FnuM+7NcoO0DHDS5CCW1bq/oFTQ+VYaiK4S miSLusoJFXgC92nHD7fhcptPgOAcMUbIMgxwNKrmVS6fV4XMuv3Q/8sJYOC/30bW6nR+ i6og== MIME-Version: 1.0 X-Received: by 10.180.13.33 with SMTP id e1mr1354566wic.38.1390164617077; Sun, 19 Jan 2014 12:50:17 -0800 (PST) Received: by 10.194.33.201 with HTTP; Sun, 19 Jan 2014 12:50:17 -0800 (PST) In-Reply-To: <52DB87B6.2060101@cs.ucla.edu> References: <52DB87B6.2060101@cs.ucla.edu> Date: Sun, 19 Jan 2014 21:50:17 +0100 Message-ID: Subject: Re: can't reproduce it with clang 3.4 on Fedora x86-64 From: unic0rn To: Paul Eggert Content-Type: text/plain; charset=UTF-8 X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 16492 X-Mailman-Approved-At: Sun, 19 Jan 2014 19:08:31 -0500 Cc: 16492@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) looks like the bug exists in clang 3.3 as well, and that's quite old actually (3.1 packaged for cygwin is ancient). but you may be right that this is x86-specific problem. if that's the case, it may take some time until llvm devs will try to fix it. http://llvm.org/bugs/show_bug.cgi?id=18171 On Sun, Jan 19, 2014 at 9:07 AM, Paul Eggert wrote: > For what it's worth, I cannot reproduce the problem with clang 3.4 (which I > downloaded and built myself) on Fedora 20 x86-64. 'make bootstrap' works > just fine, with trunk bzr 116067. Most likely the problem is specific to > x86, and perhaps it needs the optimization parameters '-march=pentium3 > -mtune=pentium3 -O3' that were given in the exact steps to reproduce. From debbugs-submit-bounces@debbugs.gnu.org Mon Aug 08 21:43:04 2016 Received: (at 16492) by debbugs.gnu.org; 9 Aug 2016 01:43:04 +0000 Received: from localhost ([127.0.0.1]:60513 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bWw4O-0004fp-JA for submit@debbugs.gnu.org; Mon, 08 Aug 2016 21:43:04 -0400 Received: from mail-it0-f43.google.com ([209.85.214.43]:37410) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1bWw4M-0004fH-Iq; Mon, 08 Aug 2016 21:43:03 -0400 Received: by mail-it0-f43.google.com with SMTP id f6so1614475ith.0; Mon, 08 Aug 2016 18:43:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=FKisyJDVcIDooyot7vHAJmWOp6tTY7w9ByC3jf6f59w=; b=E6amHjVeeyQJtiLSsrGll6ZXuY0bLZ89zcNY/npuaUFZusDXjBOOcxhjwUR8PtksID 9d74BTsKj092MVUSWrC/pcEnXkPUZMoumO6fbE4dm4SsdjlXBRJq/oxMB0YbTX38RF0H Yt5QZ0GDKKM5UTRNodcyS0cGKK2r5yQMZaSlAzYF8e5t8078TJ1Pc4aCzyHDKR+V59vJ k+gCMO2GAK3CpRXf4bKpUV31vftxqxc41ZC2cgmeSphLl5cUaxCCXqWHdlTBfzSpiv5H BqHHRbXQwPdPqJnwD42UEn9ZxZmCkTjh6/N4IztgEbw+aDnEoNh7u+i67kNnpifaoSEA azwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version; bh=FKisyJDVcIDooyot7vHAJmWOp6tTY7w9ByC3jf6f59w=; b=TG0y6iAzsykJu9npFPN4C/IPvIbnj61bIhWqhVArsMjq/UCcOlLDy80JOseCvSaZlW KEjy5XIkwcJW+Dd/qqKzNyenx8DVKeyiy9dgh13HK98fdS7WqHgtI98op3tsnjyvDxPR bid+0GaGcC7nFo0mHi2cbOsGhk1xRPVZG8caPDnHdgE5vfND2wtY9kZn78jCkWgZEBCl M+J09WnbThKyI8fbiPrvscrQxERPYhJivdRqIHBWwVLr4pvp6kqSLXTxyyfcuqbfpaeC qgnasqBnhQgraz9/nkKXPwabQxze4jn4NNuxFaHEIxZKcWXZRqlUtodF/TZLBoVn7pd+ vFhw== X-Gm-Message-State: AEkoouvfMZ5NYl7n6hLz5PrE5e6jmaUbFha8o06e7yfNyD4meKi3r/XVElXEfFvzkdY+eQ== X-Received: by 10.36.133.213 with SMTP id r204mr21691114itd.50.1470706977033; Mon, 08 Aug 2016 18:42:57 -0700 (PDT) Received: from zony (206-188-64-44.cpe.distributel.net. [206.188.64.44]) by smtp.googlemail.com with ESMTPSA id f9sm15617290ioi.2.2016.08.08.18.42.55 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 08 Aug 2016 18:42:56 -0700 (PDT) From: npostavs@users.sourceforge.net To: unic0rn Subject: Re: bug#16492: can't reproduce it with clang 3.4 on Fedora x86-64 References: <52DB87B6.2060101@cs.ucla.edu> Date: Mon, 08 Aug 2016 21:43:03 -0400 In-Reply-To: (unic0rn's message of "Sun, 19 Jan 2014 21:50:17 +0100") Message-ID: <87tweun2e0.fsf@users.sourceforge.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.7 (/) X-Debbugs-Envelope-To: 16492 Cc: Paul Eggert , 16492@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) close 16492 quit unic0rn writes: > looks like the bug exists in clang 3.3 as well, and that's quite old > actually (3.1 packaged for cygwin is ancient). but you may be right > that this is x86-specific problem. if that's the case, it may take > some time until llvm devs will try to fix it. > > http://llvm.org/bugs/show_bug.cgi?id=18171 According to this link, it was fixed in clang. 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