X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,RCVD_IN_DNSWL_LOW X-Spam-Check-By: sourceware.org Message-ID: <4F2958E9.40103@gmail.com> Date: Wed, 01 Feb 2012 16:23:21 +0100 From: marco atzeri User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0) Gecko/20120129 Thunderbird/10.0 MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: llvm/clang 3.0-1 silently ignores C++ exception handling References: <4F2835F0 DOT 5050704 AT t-online DOT de> <1328068369 DOT 5448 DOT 6 DOT camel AT YAAKOV04> <4F28D9ED DOT 7040703 AT t-online DOT de> <4F29470B DOT 7010109 AT cs DOT utoronto DOT ca> In-Reply-To: <4F29470B.7010109@cs.utoronto.ca> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On 2/1/2012 3:07 PM, Ryan Johnson wrote: >> OK, I'll do. >> >> Must be at least somewhat Cygwin specific. Clang on i686 Linux >> generates exception handling code properly (tested with clang 2.9 on >> Debian). > I have vague memories that Clang doesn't support SJLJ exceptions, and > further vague memories that Cygwin favors SJLJ because dwarf exceptions > interact badly with The Windows Way of doing things. That could be your > problem, assuming my vague memories aren't completely out of date. > > Either way, tho, it's a bit strange that the compiler doesn't squawk at > you. Clang prides itself on having good diagnostics, and it's not > exactly a small semantic change to silently replace throw with abort(). > > Ryan gcc4-4.3 and later use Dwarf instead of SJLJ that was used by gcc-3 Regards Marco -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple