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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oracle.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CH2PR10MB4344.namprd10.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 395147a2-43ac-407b-684f-08dae2a58de7 X-MS-Exchange-CrossTenant-originalarrivaltime: 20 Dec 2022 16:16:30.3955 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: X+X605/NgG6THc60IHkq7rLlvRIj/w7ENEKNu9gfH6BziCxtnLmi0iIsH9ZUq2UY/PDsRAeHHvenu5e9QZQWkw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR10MB7335 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-20_06,2022-12-20_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 adultscore=0 phishscore=0 mlxlogscore=999 bulkscore=0 malwarescore=0 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2212200135 X-Proofpoint-ORIG-GUID: wrtJwQDnNw9nOLjob2Ka-WRfokos5MTB X-Proofpoint-GUID: wrtJwQDnNw9nOLjob2Ka-WRfokos5MTB X-Spam-Status: No, score=-11.4 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,GIT_PATCH_0,RCVD_IN_DNSWL_LOW,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_NONE,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: Hi, This is the patch for mentioning -fstrict-flex-arrays and -Warray-bounds=3D= 2 changes in gcc-13/changes.html. Let me know if you have any comment or suggestions. Thanks. Qing. =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >From c022076169b4f1990b91f7daf4cc52c6c5535228 Mon Sep 17 00:00:00 2001 From: Qing Zhao Date: Tue, 20 Dec 2022 16:13:04 +0000 Subject: [PATCH] gcc-13/changes: Mention -fstrict-flex-arrays and its impac= t. --- htdocs/gcc-13/changes.html | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/htdocs/gcc-13/changes.html b/htdocs/gcc-13/changes.html index 689178f9..47b3d40f 100644 --- a/htdocs/gcc-13/changes.html +++ b/htdocs/gcc-13/changes.html @@ -39,6 +39,10 @@ a work-in-progress.

  • Legacy debug info compression option -gz=3Dzlib-gnu w= as removed and the option is ignored right now.
  • New debug info compression option value -gz=3Dzstd ha= s been added.
    • +
  • -Warray-bounds=3D2 will no longer issue warnings for = out of bounds + accesses to trailing struct members of one-element array type anymor= e. Please + add -fstrict-flex-arrays=3Dlevel to control how the com= piler treat + trailing arrays of structures as flexible array members.
    • =20 =20 @@ -409,6 +413,17 @@ a work-in-progress.

    Other significant improvements

    =20 +

    Treating trailing arrays as flexible array membe= rs

    + +
      +
    • GCC can now control when to treat the trailing array of a structure a= s a=20 + flexible array member for the purpose of accessing the elements of su= ch + an array. By default, all trailing arrays of structures are treated a= s=20 + flexible array members. Use the new command-line option + -fstrict-flex-array=3Dlevel to control how GCC treats th= e trailing + array of a structure as a flexible array member at different levels. +
      • +
    =20 --=20 2.31.1