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[8.43.85.97]) by mx.google.com with ESMTPS id ss25-20020a170907c01900b00969f4339b50si3091861ejc.11.2023.05.10.06.48.13 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 May 2023 06:48:13 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b=R+y1GxZP; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id D4AE13851C12 for ; Wed, 10 May 2023 13:46:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D4AE13851C12 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1683726360; bh=5jGN8oOeRJbEljN6W08UgKHabHSOTrsZlidQNuDFWTE=; h=Date:To:cc:Subject:List-Id:List-Unsubscribe:List-Archive: List-Post:List-Help:List-Subscribe:From:Reply-To:From; b=R+y1GxZPrZpWjN49iaT+qdzEst841UF85LsRbpdF377SCnFhYCKIwPkKPEvUeHo4k AZftDMt/H/ihOIQ9lJe1nZISl8tEi0hPCQyjIBnftgHR/HaJpHD/DuqBnOmTCl0+Mc HlaQEsgRpJxpdmnIw0fCTIVOb4gMjU+MeIeHtL40= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from smtp-out1.suse.de (smtp-out1.suse.de [IPv6:2001:67c:2178:6::1c]) by sourceware.org (Postfix) with ESMTPS id 87BF0385783F for ; Wed, 10 May 2023 13:45:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 87BF0385783F Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id BA32C219C7; Wed, 10 May 2023 13:45:14 +0000 (UTC) Received: from [10.168.4.33] (unknown [10.168.4.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 851352C141; Wed, 10 May 2023 13:45:14 +0000 (UTC) Date: Wed, 10 May 2023 15:43:34 +0200 (CEST) To: gcc-patches@gcc.gnu.org cc: jwakely@redhat.com Subject: [PATCH] Avoid g++.dg/torture/pr106922.C FAIL with the pre-C++11 ABI MIME-Version: 1.0 X-Spam-Status: No, score=-10.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, MISSING_MID, 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 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Richard Biener via Gcc-patches From: Richard Biener Reply-To: Richard Biener Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" Message-Id: <20230510134600.D4AE13851C12@sourceware.org> X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765515192180954040?= X-GMAIL-MSGID: =?utf-8?q?1765515192180954040?= The following forces the g++.dg/torture/pr106922.C testcase to use the C++11 libstdc++ ABI and checks if that was successful. Does this look OK? Thanks, Richard. * g++.dg/uninit-pr106722-2.C: Force _GLIBCXX_USE_CXX11_ABI to 1. --- gcc/testsuite/g++.dg/torture/pr106922.C | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/gcc/testsuite/g++.dg/torture/pr106922.C b/gcc/testsuite/g++.dg/torture/pr106922.C index 046fc6cce76..4b692d621ea 100644 --- a/gcc/testsuite/g++.dg/torture/pr106922.C +++ b/gcc/testsuite/g++.dg/torture/pr106922.C @@ -4,8 +4,16 @@ // -O1 doesn't iterate VN and thus has bogus uninit diagnostics // { dg-skip-if "" { *-*-* } { "-O1" } { "" } } +// The testcase still emits bogus diagnostics with the pre-C++11 ABI +#undef _GLIBCXX_USE_CXX11_ABI +#define _GLIBCXX_USE_CXX11_ABI 1 + #include +// When the library is not dual-ABI and defaults to old just compile +// and empty TU +#if _GLIBCXX_USE_CXX11_ABI + #include template using Optional = std::optional; @@ -46,3 +54,4 @@ void test() externals.external2 = internal2; } } +#endif