[llvm-branch-commits] [llvm-reduce] Unconditionally initialize targets (PR #208966)

[Aiden Grossman via llvm-branch-commits]

https://github.com/boomanaiden154 created https://github.com/llvm/llvm-project/pull/208966

It is not expensive to do, and doing it unconditionally avoids edge
cases like the one in the added test case.