[clang] [llvm] Disable pre-link LTO vectorisation and loop unroll (PR #195886)

[Momchil Velikov via cfe-commits]

momchil-velikov wrote:

Ping?

The set of PRs are currently
* https://github.com/llvm/llvm-project/pull/195886 (this one)
* https://github.com/llvm/llvm-project/pull/196570
* https://github.com/llvm/llvm-project/pull/197176
* https://github.com/llvm/llvm-project/pull/197678

I think it'd be nice if we would push that shortly after the branch.

https://github.com/llvm/llvm-project/pull/195886