From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out2.suse.de (smtp-out2.suse.de [IPv6:2001:67c:2178:6::1d]) by sourceware.org (Postfix) with ESMTPS id 498673858C33 for ; Tue, 13 Sep 2022 08:51:52 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 498673858C33 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=suse.de Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=suse.de Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 21AF65C04A for ; Tue, 13 Sep 2022 08:51:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1663059110; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type; bh=QY/fT2rSMyFZxTc+KKesNNqxdNA7x4rvpZ1qzE21ppQ=; b=vL9mUzykcKGm14oMx5XtukIRKCrjF7EFmIr4LT+F85OSBpQNIiyD5KNC6fmkcDQw17qzk5 ESHPoyJykUlnaOTM4E8JopLJbkfMw8mdHNfUU5LjTHeHcOBa2NgkOyFpOw4MVMUuYDjr+0 7ZdXcWl2OnyZmuDarbyI3EUIKATTVT8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1663059110; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type; bh=QY/fT2rSMyFZxTc+KKesNNqxdNA7x4rvpZ1qzE21ppQ=; b=Pm5YLnRvUL3lVOm+1r3CNVHspyubrkCkabq1s7vU0TcU3dizEDblcwWOt8Y9nlryXSEb99 BRTLIPVEE8VvobBg== Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id 0F518139B3 for ; Tue, 13 Sep 2022 08:51:50 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id Uzy0AqZEIGP8IQAAMHmgww (envelope-from ) for ; Tue, 13 Sep 2022 08:51:50 +0000 Date: Tue, 13 Sep 2022 10:51:49 +0200 (CEST) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH] tree-optimization/106913 - ICE with -da and -Wuninitialized MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Message-Id: <20220913085150.0F518139B3@imap2.suse-dmz.suse.de> X-Spam-Status: No, score=-11.8 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE 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: The following avoids setting and not clearing an auto_bb_flag on EXIT_BLOCK which we don't verify for such stale flags but dump_bb_info still asserts on them. Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed. PR tree-optimization/106913 * tree-ssa-uninit.cc (warn_uninitialized_vars): Do not set ft_reachable on EXIT_BLOCK. --- gcc/tree-ssa-uninit.cc | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/gcc/tree-ssa-uninit.cc b/gcc/tree-ssa-uninit.cc index 4a1c333d9cb..eae29f88f9d 100644 --- a/gcc/tree-ssa-uninit.cc +++ b/gcc/tree-ssa-uninit.cc @@ -1013,11 +1013,9 @@ warn_uninitialized_vars (bool wmaybe_uninit) if (ee) bb = ee->dest; else - { - bb = get_immediate_dominator (CDI_POST_DOMINATORS, bb); - if (!bb || bb->index == EXIT_BLOCK) - break; - } + bb = get_immediate_dominator (CDI_POST_DOMINATORS, bb); + if (!bb || bb->index == EXIT_BLOCK) + break; } FOR_EACH_BB_FN (bb, cfun) -- 2.35.3