[gcc(refs/users/mikael/heads/pr121185_v01)] libgcc: Fix aarch64 build

https://gcc.gnu.org/g:f2152c29e79f000eaae7cb8f9a3660854a90df63 commit f2152c29e79f000eaae7cb8f9a3660854a90df63 Author: Andrew Pinski Date: Tue Jul 15 08:56:31 2025 -0700 libgcc: Fix aarch64 build For aarch64, libgcc is built with -Werror, after the latest -Wunused-but-set* com

[gcc(refs/users/mikael/heads/pr121185_v01)] libgcc: Fix aarch64 build

https://gcc.gnu.org/g:3b1700360eb4899b3d9241d0bcb8503e35a5d678 commit 3b1700360eb4899b3d9241d0bcb8503e35a5d678 Author: Andrew Pinski Date: Tue Jul 15 08:56:31 2025 -0700 libgcc: Fix aarch64 build For aarch64, libgcc is built with -Werror, after the latest -Wunused-but-set* com