From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by sourceware.org (Postfix) with ESMTPS id AFFAA3857017 for ; Wed, 27 Sep 2023 07:32:28 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org AFFAA3857017 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-5043a01ee20so14593972e87.0 for ; Wed, 27 Sep 2023 00:32:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695799947; x=1696404747; darn=gcc.gnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=Alh1Qves7S5ASaHkTUemLpsBHFBkx/V8f3AwuYPFVio=; b=jlj7nj8Ll/1M22ArHpuRES+vYthAOCAZHJDO2RQowC0R5Pp+h6Hyg0rLDEagPSi4au E3/rFbFYu4xEgx8UthWODzqiSIIPG7FvbK8DGkjunxSxDyDVTU83NSuPuUIJFccBTAPn MKTwZENPPpqikdGFIGf5awbK9Gn/az5TdgIGvsFRdFpC96EKg06xxMUEE7OMeQzegQg1 Tbl6iHYF3G+GqAL1akbmx/OSkSBkTW+VqzVkRf7ZizIBYwAhPaETKbtFMSG/l2k3CRQz IHgGXSczg3TgviWaiUGabHQjsFFP0ADhQiyHAVuSdb5yg9TEtbfIo+uANUXB5cnE88nr 7Xtw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695799947; x=1696404747; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Alh1Qves7S5ASaHkTUemLpsBHFBkx/V8f3AwuYPFVio=; b=dR/Jm1scLbGiyxM8fxnVamw2QzBLnRitLl7Hy5WwqI/5y1FdUaSQMN9WKittO1+NYJ UIu4+bB2ILAq/2jOBKmsNCk8Yy595V15to3g+dk1tPSEXAbR7onJhs/eMoOvgWD7tt9d 0974N+BaD+UpVvu3eUBLxzpwbTIn6EVEoOBsTQMh4gBLbiXhqfo+mKA05+85sk7ntkfP oawriiduNXJkeh9v1O5E0b/oVY17j71CXerEqlN7BYT6WBZvhtDn1qEznwkDaLEKHimq x5ENaGI+HdAcXH/9hYeNY8Ja5NDZccZB6hbOgOPYv8NP45WxslK5maZupC4qA1eGhmbQ 0YsA== X-Gm-Message-State: AOJu0YxEZqIEbJNdnGR/UXfGYO7Jj+z3v/u7me5TbOc8Q5rfU9qKHKyO 8GsVeDzLirvE34VUnwJsKGvhAvGwAl9fGUZfH4xrq2wC X-Google-Smtp-Source: AGHT+IFke+mfQB/ccmujPUJIoce9KywSieCJBKutJSpi44JiW3QLoPb+UkyQ26eThM1ALGMnPfLwg4CZjTjsYtzXliI= X-Received: by 2002:a05:6512:33cf:b0:500:aed0:cb1b with SMTP id d15-20020a05651233cf00b00500aed0cb1bmr1190817lfg.24.1695799946945; Wed, 27 Sep 2023 00:32:26 -0700 (PDT) MIME-Version: 1.0 References: <51d2ee57-3df2-e038-b37f-4c296537d6c6@linux.ibm.com> In-Reply-To: <51d2ee57-3df2-e038-b37f-4c296537d6c6@linux.ibm.com> From: Richard Biener Date: Wed, 27 Sep 2023 09:30:02 +0200 Message-ID: Subject: Re: [PATCH] testsuite: Avoid uninit var in pr60510.f [PR111427] To: "Kewen.Lin" Cc: GCC Patches , Peter Bergner Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-7.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP 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: On Wed, Sep 27, 2023 at 7:39=E2=80=AFAM Kewen.Lin wro= te: > > Hi, > > The uninitialized variable a in pr60510.f can cause some > random failures as exposed in PR111427, see the details > there. This patch is to make it initialized accordingly. > > As verified, it can fix the reported -m32 failures on > P7 and P8 BE. It's also tested well on powerpc64-linux-gnu > P9 and powerpc64le-linux-gnu P9 and P10. > > Is it ok for trunk? OK. Richard. > BR, > Kewen > ----- > > PR testsuite/111427 > > gcc/testsuite/ChangeLog: > > * gfortran.dg/vect/pr60510.f (test): Init variable a. > --- > gcc/testsuite/gfortran.dg/vect/pr60510.f | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/gcc/testsuite/gfortran.dg/vect/pr60510.f b/gcc/testsuite/gfo= rtran.dg/vect/pr60510.f > index ecd50dd5586..6cae82acece 100644 > --- a/gcc/testsuite/gfortran.dg/vect/pr60510.f > +++ b/gcc/testsuite/gfortran.dg/vect/pr60510.f > @@ -17,6 +17,7 @@ > > program test > real*8 x(1024),y(1024),a > + a =3D 0.0 > do i=3D1,1024 > x(i) =3D i > y(i) =3D i+1 > -- > 2.35.4