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Fri, 4 Sep 2020 18:03:49 +0000 From: "Chautru, Nicolas" To: "ci@dpdk.org" CC: "Yigit, Ferruh" Thread-Topic: Gcc error false positive from ci/iol-testing Thread-Index: AdaC5R71k0k4miMKRfeXcExQmFV7gw== Date: Fri, 4 Sep 2020 18:03:49 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-reaction: no-action dlp-version: 11.5.1.3 authentication-results: dpdk.org; dkim=none (message not signed) header.d=none;dpdk.org; dmarc=none action=none header.from=intel.com; x-originating-ip: [45.28.143.88] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: d12839ce-c603-49bf-5242-08d850fce044 x-ms-traffictypediagnostic: BYAPR11MB2968: x-ld-processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: H7xwTpOGjUXsNqjUfUWHVxX11le7oJeUE+2mqKuSgh3B2Euv/SPNM2VGRMn6Ku+cGDUQUdzXTmiTYF6maZXM7sbwD+suRyRwgYCC2+vzXHInoLbUHGP/QfIH7yMdM/MH4mKxTCk1QpOANdyHR0ttxaca++rfukIYPukRY+q16JqCgXKOYrnkcsCxtIVpX7+No6/QzfMBywosHNVwnLqDr+QPPwMUYdaKI4hy1KUhxRLKVJ0kk925c9wfK0WiHH91e3VRowGlF9nh4Mob9qMENtkf30GGaUxBJhB5aQf9zQPSxYkoxM4YQb06aDp+shrKDin5J+J1dXd1+hjAQN5T+xeAtqAoptaIKxSUKTx3DsE4lE79SpLWH63jji1OWPQtJCIBSer8RvmtwOmSDLu2gQ== x-forefront-antispam-report: CIP:255.255.255.255; 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boundary="_000_BY5PR11MB44514321B7CB06E438A6ACBEF82D0BY5PR11MB4451namp_" MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BY5PR11MB4451.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: d12839ce-c603-49bf-5242-08d850fce044 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Sep 2020 18:03:49.6420 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: CJO85qD8Nv+44eC8SYoVKZCGc+WuzzfAx31ejb31jbctsoZOW05cA0Jbhx6UpWA5Z+R6oftaS5XiPjSi1QUDANHh6hywwfoimUIhPvKyjQA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB2968 X-OriginatorOrg: intel.com Subject: [dpdk-ci] Gcc error false positive from ci/iol-testing X-BeenThere: ci@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK CI discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ci-bounces@dpdk.org Sender: "ci" --_000_BY5PR11MB44514321B7CB06E438A6ACBEF82D0BY5PR11MB4451namp_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi, I am seeing an odd compilation error reported from ci/iol testing using thi= s variant Arch Linux Kernel: latest Compiler: gcc latest https://patches.dpdk.org/patch/75690/ What version of gcc is this build used with exactly so that to be able to r= eproduce this? It reports a "maybe-uninitialized" error but I don't see that with any othe= r compiler and from the code I cannot see any branch which would lead to to= uch undeclared variable. Thanks and regards, Nic --_000_BY5PR11MB44514321B7CB06E438A6ACBEF82D0BY5PR11MB4451namp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi,

I am seeing an odd compilation error reported from c= i/iol testing using this variant

Arch Linux

  Kernel: late= st

  Compiler: gc= c latest

ht= tps://patches.dpdk.org/patch/75690/

 

What version of gcc is this build used with exactly = so that to be able to reproduce this?

It reports a “maybe-uninitialized” error= but I don’t see that with any other compiler and from the code I can= not see any branch which would lead to touch undeclared variable.

 

Thanks and regards,

Nic

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