https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102376
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Prathamesh Kulkarni <prathamesh3...@gcc.gnu.org>: https://gcc.gnu.org/g:145be5efaf5674a7d25c723dc5684392a6276834 commit r12-5147-g145be5efaf5674a7d25c723dc5684392a6276834 Author: Prathamesh Kulkarni <prathamesh.kulka...@linaro.org> Date: Thu Nov 11 14:37:22 2021 +0530 [aarch64] PR102376 - Emit better diagnostic for arch extensions in target attr. gcc/ChangeLog: PR target/102376 * config/aarch64/aarch64.c (aarch64_process_target_attr): Check if token is arch extension without leading '+' and emit appropriate diagnostic for the same. gcc/testsuite/ChangeLog: PR target/102376 * gcc.target/aarch64/pr102376.c: New test.