[clang] Workaround for MSVC ARM64 build performance regression (PR #65215)

[Omair Javaid via cfe-commits]

omjavaid wrote:

Hi Have you compared build performance between cl and clang-cl? If only cl.exe is taking a lot of time while clang-cl doesnt then may be we should make this change specific to cl.exe.

https://github.com/llvm/llvm-project/pull/65215