From 5946969458708682265 X-Google-Thread: f78e5,82cd3599ce330676 X-Google-NewGroupId: yes X-Google-Attributes: gid7894ca11fe,domainid0,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news1.google.com!Xl.tags.giganews.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local2.nntp.dca.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Fri, 09 Apr 2010 12:00:05 -0500 Return-Path: To: (Usenet) From: Alexander Terekhov Newsgroups: comp.std.c++ Subject: Re: throwing in a noexcept(true) function Organization: A noiseless patient Spider Sender: cppmods@cs.rpi.edu Approved: austern@google.com Message-ID: <4BBF001D.E0E17C69@web.de> References: <4BBE39E5.5000409@f2.dion.ne.jp> <4bbe48f9.86c3f10a.47b7.ffffcac4@mx.google.com> Reply-To: terekhov@web.de Content-Type: text/plain; charset=us-ascii X-Original-Date: Fri, 09 Apr 2010 12:23:25 +0200 X-Submission-Address: std-c++@netlab.cs.rpi.edu Date: Fri, 9 Apr 2010 11:57:24 CST Lines: 23 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-BGQ0L7q2FP6nM9853a6bPRL3OdrU5z7Spp6LUDDABkkpKH+Orw7qwzv/TQZWz+bi3SFmv92XISlA4D0!g+GtAB1CGpgVFfHf2ZBSXXPjhtNX6sEOp0ji4MuYS87wdfmI X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Xref: g2news1.google.com comp.std.c++:2409 Herb Sutter wrote: [... optimizations ...] > Whether we required unwinding or not, it's sufficient to just put a > bit on the stack frame that is noexcept and checking it on the way out > -- if( bNoExcept && exception_is_active() ) terminate();. Unwinding significantly reduces optimization opportunities. Allowing unwinding for noexcept is EVIL! regards, alexander. -- [ comp.std.c++ is moderated. To submit articles, try just posting with ] [ your news-reader. If that fails, use mailto:std-c++@netlab.cs.rpi.edu ] [ --- Please see the FAQ before posting. --- ] [ FAQ: http://www.comeaucomputing.com/csc/faq.html ]