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Ip=[4.158.2.129];\n Helo=[outbound-uk1.az.dlp.m.darktrace.com]", "X-MS-Exchange-CrossTenant-AuthSource": "\n AMS1EPF0000004E.eurprd04.prod.outlook.com", "X-MS-Exchange-CrossTenant-AuthAs": "Anonymous", "X-MS-Exchange-CrossTenant-FromEntityHeader": "HybridOnPrem", "X-BeenThere": "gcc-patches@gcc.gnu.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Gcc-patches mailing list <gcc-patches.gcc.gnu.org>", "List-Unsubscribe": "<https://gcc.gnu.org/mailman/options/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=unsubscribe>", "List-Archive": "<https://gcc.gnu.org/pipermail/gcc-patches/>", "List-Post": "<mailto:gcc-patches@gcc.gnu.org>", "List-Help": "<mailto:gcc-patches-request@gcc.gnu.org?subject=help>", "List-Subscribe": "<https://gcc.gnu.org/mailman/listinfo/gcc-patches>,\n <mailto:gcc-patches-request@gcc.gnu.org?subject=subscribe>", "Errors-To": "gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org" }, "content": "This series fixes the P1 regression PR122483. The principal aim is to\nrestore rejection of C code such as:\n\n void f(void) __arm_streaming;\n void f(void);\n\non aarch64. It is structured as follows:\n\n - 1/4: Fixes some missing aarch64 build dependencies revealed by incremental\n builds of later patches.\n - 2/4: Adds a new target hook, plus necessary middle-end code and C\n front-end code.\n - 3/4: Implements the new target hook on aarch64.\n - 4/4: An optional (for GCC 16) patch to implement the same behaviour in the\n C++ frontend.\n\nThe whole series has been bootstrapped/regtested on aarch64-linux-gnu and\nx86_64-linux-gnu (with and without the final C++ patch).\n\nAlex Coplan (4):\n aarch64: Add some missing dependencies to t-aarch64 [PR122483]\n c, middle-end: Add target hook to prevent inheriting type attributes [PR122483]\n aarch64: Implement TARGET_STRONG_AFFECTS_TYPE_IDENTITY_P [PR122483]\n c++: Extend fix for PR122483 to C++ frontend [PR122483]\n\n gcc/attribs.cc | 20 ++++++++++++++++--\n gcc/attribs.h | 10 +++++++++\n gcc/c-family/c-attribs.cc | 20 ++++++++++++++++++\n gcc/c-family/c-common.h | 1 +\n gcc/c/c-decl.cc | 4 +++-\n gcc/config/aarch64/aarch64.cc | 21 +++++++++++++++++++\n gcc/config/aarch64/t-aarch64 | 12 +++++------\n gcc/cp/decl.cc | 16 ++++++++------\n gcc/doc/tm.texi | 12 +++++++++++\n gcc/doc/tm.texi.in | 2 ++\n gcc/target.def | 16 ++++++++++++++\n gcc/testsuite/g++.target/aarch64/pr122483.C | 8 +++++++\n .../g++.target/aarch64/sme/streaming_mode_1.C | 14 ++++++-------\n gcc/testsuite/gcc.target/aarch64/pr122483.c | 8 +++++++\n 14 files changed, 142 insertions(+), 22 deletions(-)\n create mode 100644 gcc/testsuite/g++.target/aarch64/pr122483.C\n create mode 100644 gcc/testsuite/gcc.target/aarch64/pr122483.c" }