From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23305 invoked by alias); 12 Jan 2015 23:03:57 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 22798 invoked by uid 48); 12 Jan 2015 23:03:52 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug preprocessor/64576] Preprocessor Error With 5.0 not with 4.9.2 Date: Mon, 12 Jan 2015 23:03:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: preprocessor X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cc resolution Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-01/txt/msg00888.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64576 Jakub Jelinek changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED CC| |jakub at gcc dot gnu.org Resolution|--- |INVALID --- Comment #2 from Jakub Jelinek --- GCC 4.9 behaves the same way with -std=c11, GCC 5 behaves the old way with -std=c99. -std=c11 turns on unicode literals, i.e. u"str", U"str" and u8"str". So for #u"str" you really need to put there whitespace, so that it isn't parsed as # followed by u"str" string literal.