[llvm] [PassBuilder] Remove LoopFullUnrollPass from before LoopVectorize in the FullLTO pipeline (PR #197176)

[Nikita Popov via llvm-commits]

nikic wrote:

Is it possible to add a phase ordering test that shows a situation where this is beneficial? This will help regressing on future pipeline changes.

https://github.com/llvm/llvm-project/pull/197176