[clang] [clang][AArch64] multilib: fix deduction of "-march=" option (PR #81474)

[Michael Platings via cfe-commits]

Dominik =?utf-8?q?Wójt?= <dominik.wojt at arm.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/81474 at github.com>


https://github.com/mplatings edited https://github.com/llvm/llvm-project/pull/81474