From patchwork Tue Nov 26 12:03:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Biener X-Patchwork-Id: 1201000 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=gcc-patches-return-514604-incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.b="EbLJ9RCg"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47MjGf06vJz9sPV for ; Tue, 26 Nov 2019 23:03:19 +1100 (AEDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; q=dns; s= default; b=rNRTzgAkU7wLJh7f7Xdwa2F/yl/Ww3O/Mkx2gc5gQEKbcOgM4AT8k bEi9ZOGsXf4tEE/Mznk08m+XVZsm38iVicnxPAjlnL3b5AeWKpQ125WtszjcVbmp SWPZ7WTf/ACNcVygV+bRAFcQSEzeiXgjcflC/JB5H+8WSSh3hlFYg8= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:date :from:to:subject:message-id:mime-version:content-type; s= default; bh=F6+/fEuXfsAPtC2fMIASwW5xbnA=; b=EbLJ9RCg3U2eXsFY5Os5 U9x37E/5joy7Dgdr0Qcu9MZ2ibJCWjHEm0N3MIU89jNJ/EygtQ52YmlX3OBom/R+ 99R+83wSg82vkyyYYjiDnhTyhZic3C0K86ewJetz3NLRW5NjK6B0ycg8zI2tZLJ6 1exVUOcjWLE+U/GBsXUS0AY= Received: (qmail 120495 invoked by alias); 26 Nov 2019 12:03:10 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Delivered-To: mailing list gcc-patches@gcc.gnu.org Received: (qmail 120486 invoked by uid 89); 26 Nov 2019 12:03:10 -0000 Authentication-Results: sourceware.org; auth=none X-Spam-SWARE-Status: No, score=-10.7 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_2, GIT_PATCH_3, KAM_NUMSUBJECT, SPF_PASS autolearn=ham version=3.3.1 spammy= X-HELO: mx1.suse.de Received: from mx2.suse.de (HELO mx1.suse.de) (195.135.220.15) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Tue, 26 Nov 2019 12:03:09 +0000 Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id E821AB29F for ; Tue, 26 Nov 2019 12:03:06 +0000 (UTC) Date: Tue, 26 Nov 2019 13:03:06 +0100 (CET) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH] Fix PR92669 Message-ID: User-Agent: Alpine 2.21 (LSU 202 2017-01-01) MIME-Version: 1.0 Committed as obvious. Richard. 2019-11-26 Richard Biener PR middle-end/92669 * cfganal.c (pre_and_rev_post_order_compute_fn): Deal with NULL pre_order. Index: gcc/cfganal.c =================================================================== --- gcc/cfganal.c (revision 278681) +++ gcc/cfganal.c (working copy) @@ -1030,6 +1030,8 @@ pre_and_rev_post_order_compute_fn (struc } /* Clear the temporarily allocated flag. */ + if (!rev_post_order) + rev_post_order = pre_order; for (int i = 0; i < pre_order_num; ++i) BASIC_BLOCK_FOR_FN (fn, rev_post_order[i])->flags &= ~visited;