From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by sourceware.org (Postfix) with ESMTPS id D5ACC383CCF1 for ; Wed, 31 Aug 2022 09:07:20 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org D5ACC383CCF1 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-out1.suse.de (Postfix) with ESMTPS id A491C22126 for ; Wed, 31 Aug 2022 09:07:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1661936839; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type; bh=MI2uiWhKuNn4Djl8nAUr7o9859pJwnhuGMgVoErQQME=; b=LtEjlcesUgckSvwKBvweFwudvpMDELGmppj2xJFpHL3IUYylW1qBwyyVO2sI/QPDceghDP HWgwE1MAQtkUMYy88PpXPVnCYma81lXlLOkMtWPSQqvxo0bFsZTyj4MJLg5TPF8gWIXEse 8ZOYEow7fjL7Gv9cSHtLCjKMokvB5Nk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1661936839; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc: mime-version:mime-version:content-type:content-type; bh=MI2uiWhKuNn4Djl8nAUr7o9859pJwnhuGMgVoErQQME=; b=Q97+WfpWFfviJWu5LjwMbxoued3WLdfMljBj2NHKvvdwYbc0ThMXx/o4YP9198bASY9qaS eHwctIljDKAjt8BQ== 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 8CBA61332D for ; Wed, 31 Aug 2022 09:07:19 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id Nx0lIcckD2PHPAAAMHmgww (envelope-from ) for ; Wed, 31 Aug 2022 09:07:19 +0000 Date: Wed, 31 Aug 2022 11:07:19 +0200 (CEST) From: Richard Biener To: gcc-patches@gcc.gnu.org Subject: [PATCH] uninit testcase for PR65244 MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Message-Id: <20220831090719.8CBA61332D@imap2.suse-dmz.suse.de> X-Spam-Status: No, score=-11.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,KAM_NUMSUBJECT,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 PR65244 has an issue with code in init_from_control_deps for which there's no direct testcase. The following adds one. Pushed. PR tree-optimization/65244 * gcc.dg/uninit-pr65244-1.c: New testcase. --- gcc/testsuite/gcc.dg/uninit-pr65244-1.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/uninit-pr65244-1.c diff --git a/gcc/testsuite/gcc.dg/uninit-pr65244-1.c b/gcc/testsuite/gcc.dg/uninit-pr65244-1.c new file mode 100644 index 00000000000..7c1d910d546 --- /dev/null +++ b/gcc/testsuite/gcc.dg/uninit-pr65244-1.c @@ -0,0 +1,20 @@ +/* { dg-do compile } */ +/* { dg-options "-O -Wuninitialized" } */ + +extern void __attribute__((noreturn)) abort (void); + +int foo (int flag, int val) +{ + int tem; + if (flag) + { + if (val == 0) + abort (); + tem = val; + } + /* large - prevent jump threading */ + __asm__ volatile ("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n"); + if (flag) + return tem; /* { dg-bogus "uninitialized" } */ + return 0; +} -- 2.35.3