[llvm] [GlobalOpt] Bail out on non-ConstExprs in isSimpleEnoughtToCommit. (PR #143400)

[Florian Hahn via llvm-commits]

fhahn wrote:

> @fhahn did you verify the additional tests also fail without the fix (Oliver's test case paranoia :D)

Yep

https://github.com/llvm/llvm-project/pull/143400