From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by sourceware.org (Postfix) with ESMTP id C483B386F46E for ; Sat, 27 Feb 2021 13:07:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org C483B386F46E Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-418-91mQwh83NaO6-hjZiVhFbw-1; Sat, 27 Feb 2021 08:07:11 -0500 X-MC-Unique: 91mQwh83NaO6-hjZiVhFbw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 3ED6A803F47; Sat, 27 Feb 2021 13:07:10 +0000 (UTC) Received: from localhost (unknown [10.33.36.11]) by smtp.corp.redhat.com (Postfix) with ESMTP id CEAFF10023BE; Sat, 27 Feb 2021 13:07:09 +0000 (UTC) Date: Sat, 27 Feb 2021 13:07:09 +0000 From: Jonathan Wakely To: sotrdg sotrdg Cc: libstdc++ Subject: Re: Can we replace memory allocation in eh_alloc.cc with operator new(std::size_t) and operator delete(void*,std::size_t) noexcept Message-ID: <20210227130709.GK3008@redhat.com> References: MIME-Version: 1.0 In-Reply-To: X-Clacks-Overhead: GNU Terry Pratchett X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libstdc++@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++ mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Feb 2021 13:07:15 -0000 On 26/02/21 00:18 +0000, sotrdg sotrdg via Libstdc++ wrote: >Because freestanding C++ probably does not provide malloc/free. > >BTW. That will allow some performance improvement when we override global new/global delete. What will happen when operator new tries to throw bad_alloc?