From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5063 invoked by alias); 23 Aug 2008 16:14:57 -0000 Received: (qmail 4913 invoked by uid 48); 23 Aug 2008 16:13:37 -0000 Date: Sat, 23 Aug 2008 16:14:00 -0000 Message-ID: <20080823161337.4912.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug c++/31246] Strange -Wunreachable-code warning with _GLIBCXX_DEBUG In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "manu at gcc dot gnu dot org" 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 X-SW-Source: 2008-08/txt/msg01765.txt.bz2 ------- Comment #20 from manu at gcc dot gnu dot org 2008-08-23 16:13 ------- For testcase in comment #4 I get 2 warnings now: home/manuel/test2/src/gcc/testsuite/g++.dg/warn/pr31246-2.C: In function ‘int* get_ptr(void*)’: /home/manuel/test2/src/gcc/testsuite/g++.dg/warn/pr31246-2.C:8: warning: will never be executed /home/manuel/test2/src/libstdc++-v3/libsupc++/new: In function ‘void* operator new(size_t, void*)’: /home/manuel/test2/src/libstdc++-v3/libsupc++/new:105: warning: will never be executed libsupc++/new does not contain #pragma GCC system_headers, so even using warning_at doesn't suppress the warning. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31246