From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Frank Newsgroups: gmane.emacs.bugs Subject: bug#7146: (make-symbol "") issues Date: Sat, 02 Oct 2010 21:44:00 -0600 Message-ID: <4CA7FC00.5080905@gmail.com> References: <4CA6B2BE.7070705@gmail.com> <4CA7D1E3.90800@gmail.com> <87k4m0giy4.fsf@stupidchicken.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="------------060905060006080409020806" X-Trace: dough.gmane.org 1286080922 24089 80.91.229.12 (3 Oct 2010 04:42:02 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Sun, 3 Oct 2010 04:42:02 +0000 (UTC) Cc: 7146@debbugs.gnu.org To: Chong Yidong Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Oct 03 06:42:00 2010 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1P2GOX-0006xS-RD for geb-bug-gnu-emacs@m.gmane.org; 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c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:x-accept-language:mime-version:to :cc:subject:references:in-reply-to:content-type; b=ALosSpKZg5OdHFqPh1Fmm8dKVi++cWO55iQ6qm4WWyk5ybLZYrndqhnJchaKLCB1RR s/kTiM4HiebToIKkLmd1Gnf9+ECI2pPIPwW6TAtNCQxYNjYtHYSLO7P4+bPKQUqZtusB p9t5T+dRso21zZI6nNw2IXLbd8Efu4ftjUA28= Original-Received: by 10.231.155.206 with SMTP id t14mr8103065ibw.34.1286077436146; Sat, 02 Oct 2010 20:43:56 -0700 (PDT) Original-Received: from [10.0.1.5] (S0106001346b8a607.ed.shawcable.net [96.52.241.68]) by mx.google.com with ESMTPS id d13sm1301560ibb.14.2010.10.02.20.43.54 (version=SSLv3 cipher=RC4-MD5); Sat, 02 Oct 2010 20:43:55 -0700 (PDT) User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923) X-Accept-Language: de-DE, de, en-us, en In-Reply-To: <87k4m0giy4.fsf@stupidchicken.com> X-Mailman-Approved-At: Sun, 03 Oct 2010 00:26:09 -0400 X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.11 Precedence: list Resent-Date: Sun, 03 Oct 2010 00:27:01 -0400 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:40664 Archived-At: This is a multi-part message in MIME format. --------------060905060006080409020806 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Chong Yidong schrieb: >Frank writes: > > > >>Well I further found out that you have to actually (byte-compile-file) >>the above code in order for the bug to show up; compiling via >>(compile-defun) seems to work OK; >> >> > >I can't reproduce this. Could you detail the *exact* steps you took, >starting with `emacs -Q'? Your description is too vague. > > > 1) Start `emacs -Q' 2) Load the file bug.el into a buffer via the menu 3) byte-compile-file 4) load-file bug.elc 5) *scratch* 6) (foo) *** emacs crashes or foo returns some odd number *** (disassemble 'foo) looks like this (done between point 5 and 6) byte code for foo: args: nil 0 constant (message "Hello World!") 1 constant (out-of-range 2) 2 catch 3 dup 4 varbind :eof 5 constant (message "Hello World!") 6 eq 7 not 8 goto-if-nil-else-pop 1 11 varref :eof 12:1 unbind 1 13 return I attached the file I used for testing this and also it's byte compilation --------------060905060006080409020806 Content-Type: application/octet-stream; name="bug.elc" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="bug.elc" O0VMQxcAAAAKOzs7IENvbXBpbGVkIGJ5IGZhdUBOWDYxMTAgb24gU2F0IE9jdCAwMiAyMToz OToyMiAyMDEwCjs7OyBmcm9tIGZpbGUgYzovRG9rdW1lbnRlIHVuZCBFaW5zdGVsbHVuZ2Vu L2ZhdS9EZXNrdG9wL2J1Zy5lbAo7OzsgaW4gRW1hY3MgdmVyc2lvbiAyMy4yLjEKOzs7IHdp dGggYWxsIG9wdGltaXphdGlvbnMuCgo7OzsgVGhpcyBmaWxlIHVzZXMgZHluYW1pYyBkb2Nz dHJpbmdzLCBmaXJzdCBhZGRlZCBpbiBFbWFjcyAxOS4yOS4KCjs7OyBUaGlzIGZpbGUgZG9l cyBub3QgY29udGFpbiB1dGYtOCBub24tQVNDSUkgY2hhcmFjdGVycywKOzs7IGFuZCBzbyBj YW4gYmUgbG9hZGVkIGluIEVtYWNzIHZlcnNpb25zIGVhcmxpZXIgdGhhbiAyMy4KCjs7Ozs7 Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7 Ozs7Ozs7OzsKOzs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7 Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7OwoKCihkZWZhbGlhcyAnYmFyICcobWFjcm8gLiAjWygm cmVzdCBib2R5KSAiXDMwMlwzMDMhGFwzMDQIXDMwNVwzMDYJQkJEQ1wzMDdcMzEwXDMxMQhc MzEyQkJECEVFKVwyMDciIFt2IGJvZHkgbWFrZS1zeW1ib2wgIiIgbGV0IGNhdGNoIDplb2Yg d2hlbiBub3QgZXEgKDplb2YpXSA3XSkpCihkZWZhbGlhcyAnZm9vICNbbmlsICJcMzAxXDMw MlwyMTVcMjExGFwzMDE9P1wyMDVcZgAIKVwyMDciIFsjMT0jOiA6ZW9mIChtZXNzYWdlICJI ZWxsbyBXb3JsZCEiKV0gM10pCg== --------------060905060006080409020806 Content-Type: text/plain; name="bug.el" Content-Transfer-Encoding: 7bit Content-Disposition: inline; filename="bug.el" (defmacro bar (&rest body) (let ((v (make-symbol ""))) ; Crashes with "" as name. `(let ((,v (catch :eof ,@body))) (when (not (eq ,v :eof)) ,v)))) (defun foo () (bar (message "Hello World!"))) --------------060905060006080409020806--