From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11018 invoked by alias); 26 Jul 2006 13:11:30 -0000 Received: (qmail 10991 invoked by alias); 26 Jul 2006 13:11:20 -0000 Date: Wed, 26 Jul 2006 13:11:00 -0000 Message-ID: <20060726131120.10990.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug libstdc++/28457] ext/pb_ds/regression/tree_data_map_rand.cc fails with a particular random seed. In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "drow at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-07/txt/msg02003.txt.bz2 List-Id: ------- Comment #2 from drow at gcc dot gnu dot org 2006-07-26 13:11 ------- Subject: Re: ext/pb_ds/regression/tree_data_map_rand.cc fails with a particular random seed. On Wed, Jul 26, 2006 at 11:26:01AM -0000, pcarlini at suse dot de wrote: > Out of curiosity, can you try whether changing the optimization level has any > effect? I'm asking because we are also seeing random failures of > ext/pb_ds/regression/priority_queue_rand.cc on ia64-linux which go away at -O0 > and -O1... In that case, I'm suspecting some sort of miscompilation. Fails at -O1 in the same way. Fails differently at -O0. Failure at /space/fsf/commit/gcc/libstdc++-v3/testsuite/util/regression/rand/assoc/detail/insert_fn_imps.hpp: 71 container: aabaaab bccadab aacdbc bbbbdab ....more... native container: ...more... Uncaught exception: insert Failed at index 297 Test failed with seed 1153519516 -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28457