From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Leo Liu Newsgroups: gmane.emacs.bugs Subject: bug#15786: 24.3; No warning on mal-formed let form when lexical-binding Date: Sat, 02 Nov 2013 08:37:52 +0800 Message-ID: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" X-Trace: ger.gmane.org 1383352756 11297 80.91.229.3 (2 Nov 2013 00:39:16 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 2 Nov 2013 00:39:16 +0000 (UTC) To: 15786@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Nov 02 01:39:21 2013 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1VcPFJ-0008V9-0c for geb-bug-gnu-emacs@m.gmane.org; Sat, 02 Nov 2013 01:39:21 +0100 Original-Received: from localhost ([::1]:40296 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VcPFI-0001S5-3d for geb-bug-gnu-emacs@m.gmane.org; Fri, 01 Nov 2013 20:39:20 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55761) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VcPF9-0001RZ-Km for bug-gnu-emacs@gnu.org; Fri, 01 Nov 2013 20:39:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VcPF2-0005Ke-3j for bug-gnu-emacs@gnu.org; Fri, 01 Nov 2013 20:39:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:44328) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VcPF2-0005Ka-0h for bug-gnu-emacs@gnu.org; Fri, 01 Nov 2013 20:39:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1VcPF1-0001Wz-0o; Fri, 01 Nov 2013 20:39:03 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Leo Liu Original-Sender: "Debbugs-submit" Resent-CC: monnier@iro.umontreal.ca, bug-gnu-emacs@gnu.org Resent-Date: Sat, 02 Nov 2013 00:39:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 15786 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: X-Debbugs-Original-To: bug-gnu-emacs@gnu.org X-Debbugs-Original-Xcc: Stefan Monnier Original-Received: via spool by submit@debbugs.gnu.org id=B.13833527065830 (code B ref -1); Sat, 02 Nov 2013 00:39:02 +0000 Original-Received: (at submit) by debbugs.gnu.org; 2 Nov 2013 00:38:26 +0000 Original-Received: from localhost ([127.0.0.1]:58346 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VcPEQ-0001Vx-Ex for submit@debbugs.gnu.org; Fri, 01 Nov 2013 20:38:26 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:53968) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1VcPEM-0001Vh-R6 for submit@debbugs.gnu.org; Fri, 01 Nov 2013 20:38:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VcPEC-0005HZ-BJ for submit@debbugs.gnu.org; Fri, 01 Nov 2013 20:38:17 -0400 Original-Received: from lists.gnu.org ([2001:4830:134:3::11]:48734) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VcPEC-0005HV-8P for submit@debbugs.gnu.org; Fri, 01 Nov 2013 20:38:12 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55672) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VcPE6-0001Mz-T0 for bug-gnu-emacs@gnu.org; Fri, 01 Nov 2013 20:38:12 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VcPDz-0005FY-W6 for bug-gnu-emacs@gnu.org; Fri, 01 Nov 2013 20:38:06 -0400 Original-Received: from mail-pb0-x236.google.com ([2607:f8b0:400e:c01::236]:55151) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VcPDz-0005FT-No for bug-gnu-emacs@gnu.org; Fri, 01 Nov 2013 20:37:59 -0400 Original-Received: by mail-pb0-f54.google.com with SMTP id ro8so4992774pbb.27 for ; Fri, 01 Nov 2013 17:37:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:subject:date:message-id:mime-version:content-type; bh=4Ak/6/CKcA+QWLQQ+Z3/cbMG5/jFIKI4hpl6nNPW4lU=; b=inA1fqLUGgpOXOkYjmqIcqTjKyMTCvbG92P/GVg5Kb85wR7XYesQGEZFuBl0Opa3N5 4rh2MvrUYbS/RMz7LPuL+bhsmlGHMLjLCgOEfWefXag7exYwo8x+ITzEYlLmzCp/TXpy cEXGGAKsZu5OfNSNdYbL299TAUWdxBkZBwEYg2EEuFvP6LoBI0JqFiEHFio5Uv0oZklj I8MAg1sDtQOHGKxQUj9bvYLOYPmvpQwYTHre6dowwGhirQ10pgppLkqpBzT7SOVtD/2E E8sFkUTSodsE0fc8HKVJcZkkiDCIFmIScReRDG6r6G8J4znN4wVL3M+bW2BqMOYakeBd fu7w== X-Received: by 10.66.100.227 with SMTP id fb3mr5846730pab.26.1383352678662; Fri, 01 Nov 2013 17:37:58 -0700 (PDT) Original-Received: from localhost ([123.119.81.79]) by mx.google.com with ESMTPSA id fk4sm15989134pab.23.2013.11.01.17.37.56 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 01 Nov 2013 17:37:57 -0700 (PDT) X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:79871 Archived-At: --=-=-= Content-Type: text/plain Due to a typo in my code, I got a bug report on ggtags https://github.com/leoliu/ggtags/issues/17. I was fooled by the elisp compiler which warns mal-formed let forms without lexical-binding. To reproduce 1. Download the file in the attachment 2. byte-compile it 3. remove the first line and byte-compile it step 2 produces no warnings while step 3 does. --=-=-= Content-Type: application/emacs-lisp Content-Disposition: attachment; filename=t.el Content-Transfer-Encoding: quoted-printable ;; -*- lexical-binding: t; -*- (defmacro ggtags-with-ctags-maybe (&rest body) `(let ((process-environment (if (sin 12) (cons "GTAGSLABEL=3Dctags" process-environment)) process-environment)) ,@body)) (defun test () (interactive) (ggtags-with-ctags-maybe t)) --=-=-=--