From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-il1-x132.google.com (mail-il1-x132.google.com [IPv6:2607:f8b0:4864:20::132]) by sourceware.org (Postfix) with ESMTPS id 6EBC93858D20 for ; Mon, 9 Jan 2023 18:18:13 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 6EBC93858D20 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=adacore.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=adacore.com Received: by mail-il1-x132.google.com with SMTP id h26so5235774ila.11 for ; Mon, 09 Jan 2023 10:18:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=adacore.com; s=google; h=mime-version:user-agent:message-id:in-reply-to:date:references :subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=xgIDcvTl9W7XatxiWZA4/BTwMY++2FSd8qRs/uf+CQM=; b=WMbhLocIzJ88tseg/zLlzjIGqL9MKVeu/Y2w1Ic6l3N/dcWD3/YwXnKa2DFc44dSai lEtfgstG2nF/B8lEsRC4O8jQjbCJR1ZgmjqxFhbX5yzVDeJOEj1QfTz/xkNqwzxM4Nbh cCaKsD7VHPBqrwsBabvSxuplzWoVzaeD6CFJioL85Blp9jLL5O4tu4iWlMeTmv456AA1 O39+lUaifknN0HP3Kr6Bu7BGAE9lklStsM+c+P0F7GhP6PP8Et2/YHoRpdngQtviAEMo RcTlXrv4Pm1n8SS5cVNxWl28DKsJhjocOvyGGcv3IzOVJX84qkMV/+EGbTl9bMgdnR/m G4mA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=mime-version:user-agent:message-id:in-reply-to:date:references :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=xgIDcvTl9W7XatxiWZA4/BTwMY++2FSd8qRs/uf+CQM=; b=IjIZfD8wl5U7YDJ8TTkqMjJCW9heds4KF20FRq/kAN26zKFrGpDOYx42b0R8pVMohj Uro6BEsMm1sVC09Kb1F+jRbMPM79hJU8IlotIYpUCxKetohVw/L5Bz3nE4+FpPsjOEJI 1DBrMkpQVWj3MbGKvWFkbdtRk9FOhzhpqgsScjPT1QYVgtwJj8obNDiwz2JElYmD09h8 fJRbIdEaz82WZ1dQt/+43Ag8DOyEGJImnAv4iYUVxIwX1MFCYO9zR43KfXqTRtaCtHeY dhkTs8TQkfyXcOI0Edc2vuUXwa4/STGsa/YfEJrDBYhplZgaK+JwXTVahWeh00QQ1Q60 nbwg== X-Gm-Message-State: AFqh2kp8EbEZvWoqe5zUyKlKz3n3/NAWCiWYYkwMkd3kOGtVPdmHm69Q 3zVyJ2QTuGMXe6cX7U8h2OP/hg== X-Google-Smtp-Source: AMrXdXuis41mrmLT1GiP/C9nB0WPhswVsGvQdZTh6Ks485RfBL0JyWAu0LQA6GBa7OTAkGIe872ovg== X-Received: by 2002:a92:cb82:0:b0:30d:b0f4:a681 with SMTP id z2-20020a92cb82000000b0030db0f4a681mr655520ilo.24.1673288292753; Mon, 09 Jan 2023 10:18:12 -0800 (PST) Received: from murgatroyd (97-122-76-186.hlrn.qwest.net. [97.122.76.186]) by smtp.gmail.com with ESMTPSA id p10-20020a92d28a000000b00305e6279bf2sm2870590ilp.74.2023.01.09.10.18.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Jan 2023 10:18:12 -0800 (PST) From: Tom Tromey To: Tom Tromey Cc: Joel Brobecker , Tom Tromey via Gdb-patches , Andrew Burgess Subject: Re: [PATCH 2/4] Don't erase empty indices in DWARF reader References: <20221215190759.2494095-1-tromey@adacore.com> <20221215190759.2494095-3-tromey@adacore.com> <878rj3zbtv.fsf@redhat.com> <87tu1rl3rh.fsf@tromey.com> <87k01vac81.fsf@tromey.com> X-Attribution: Tom Date: Mon, 09 Jan 2023 11:18:11 -0700 In-Reply-To: <87k01vac81.fsf@tromey.com> (Tom Tromey's message of "Mon, 09 Jan 2023 09:45:18 -0700") Message-ID: <877cxva7x8.fsf@tromey.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: >>>>> "Tom" == Tom Tromey writes: Tom> I think it may be best to just drop this patch and leave the current Tom> code in place. It doesn't do anything, but on the other hand, this Tom> seems to be non-obvious, so it may serve a useful assurance purpose. It occurred to me today that another approach might be to add a self-test for this -- that is, use parallel-for-each on (say) a single task but when multiple threads are available. Then, it could check that there are no NULL responses. Tom