From patchwork Wed Dec 24 23:21:35 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Segher Boessenkool X-Patchwork-Id: 424009 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 B55E61400DD for ; Thu, 25 Dec 2014 10:21:57 +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:from :to:cc:subject:date:message-id; q=dns; s=default; b=JlSkAaNribFp FYt0Dt1wO6WckVKEJ5flbml7l8HLHwqmnqRUtZ+Z/pN+P05k4y9g98PHYmUal82F U+9KvWq3UHvH82N6Hw79K9GcbOP2DwkUmBy7XgGF6KrLjYuxfQ0KocmwFaPy2Z/l TBmZYK1FbN082te6bWzp5qFTmb/mlG4= 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:from :to:cc:subject:date:message-id; s=default; bh=7EAQsw4xFc7xkjGlEK BnxuHQRl0=; b=DgfsEH3lF5DDvgVsRSz+2saawRuxyutFyXOtGkoVXNxssGrmML hwxXfJiZtL21X0mYf4MQfooGMtJ0//xIovE7PF0diTum7S7tYxXTtjm2Nx/JDz1O JkmgyO/gS589+Jzd9o4NkLMW8mOegIYnQ+zEYeia9q9QiKTux42ctXnas= Received: (qmail 10573 invoked by alias); 24 Dec 2014 23:21:49 -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 10562 invoked by uid 89); 24 Dec 2014 23:21:48 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.0 required=5.0 tests=AWL, BAYES_00, T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: gcc1-power7.osuosl.org Received: from gcc1-power7.osuosl.org (HELO gcc1-power7.osuosl.org) (140.211.15.137) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-GCM-SHA384 encrypted) ESMTPS; Wed, 24 Dec 2014 23:21:46 +0000 Received: from gcc1-power7.osuosl.org (localhost [127.0.0.1]) by gcc1-power7.osuosl.org (8.14.6/8.14.6) with ESMTP id sBONLgbN051497; Wed, 24 Dec 2014 15:21:42 -0800 Received: (from segher@localhost) by gcc1-power7.osuosl.org (8.14.6/8.14.6/Submit) id sBONLbe8051300; Wed, 24 Dec 2014 15:21:37 -0800 From: Segher Boessenkool To: gcc-patches@gcc.gnu.org Cc: Segher Boessenkool Subject: [PATCH] ubsan: Do not run the testsuite if ubsan does not work at all Date: Wed, 24 Dec 2014 15:21:35 -0800 Message-Id: <794f294d0fe7dd3f95e2b05875619307538a9b7f.1419462987.git.segher@kernel.crashing.org> X-IsSubscribed: yes I normally build with --disable-libsanitizer, because the sanitizers testresults are very unreproducable, so just annoying noise. This however makes most (all?) ubsan testcases fail, since they want to load a shared library that does not exist. This patch disables the ubsan testcases if a trivial program does not run when compiled with ubsan. Tested on powerpc64-linux, -m32,-m32/-mpowerpc64,-m64,-m64/-mlra; 5452 failures gone, no other changes. Okay for mainline? Segher 2014-12-24 Segher Boessenkool gcc/testsuite/ * lib/ubsan-dg.exp (check_effective_target_fsanitize_undefined): Check if testcases run without errors, not just if they compile. --- gcc/testsuite/lib/ubsan-dg.exp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gcc/testsuite/lib/ubsan-dg.exp b/gcc/testsuite/lib/ubsan-dg.exp index 3bfdcc8..cea3e0e 100644 --- a/gcc/testsuite/lib/ubsan-dg.exp +++ b/gcc/testsuite/lib/ubsan-dg.exp @@ -18,7 +18,7 @@ # code, 0 otherwise. proc check_effective_target_fsanitize_undefined {} { - return [check_no_compiler_messages fsanitize_undefined executable { + return [check_runtime fsanitize_undefined { int main (void) { return 0; } } "-fsanitize=undefined"] }