From mboxrd@z Thu Jan 1 00:00:00 1970 From: Al Viro Subject: Re: Test that causes sparse to hang Date: Wed, 16 May 2007 08:17:16 +0100 Message-ID: <20070516071716.GJ4095@ftp.linux.org.uk> References: <464AAEA0.9020300@freedesktop.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from zeniv.linux.org.uk ([195.92.253.2]:59367 "EHLO ZenIV.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754933AbXEPHRS (ORCPT ); Wed, 16 May 2007 03:17:18 -0400 Content-Disposition: inline In-Reply-To: <464AAEA0.9020300@freedesktop.org> Sender: linux-sparse-owner@vger.kernel.org List-Id: linux-sparse@vger.kernel.org To: Josh Triplett Cc: linux-sparse@vger.kernel.org On Wed, May 16, 2007 at 12:11:28AM -0700, Josh Triplett wrote: > While poking at the GCC testsuite, I found a source file that hangs Sparse. I > cut it down to the following minimal test case: > > #if L'\x1234' != 0x1234 > #endif > #if '' > #endif > > Documenting this on-list in case someone wants to look at it before I can get > to it later. No wide characters, so don't expect the identical behaviour... Shouldn't hang, obviously. BTW, I wouldn't be too surprised if wide chars blow not only in preprocessor.