[llvm] [ValueTracking] Handle non-canonical operand order in `isImpliedCondICmps` (PR #85575)

[Nikita Popov via llvm-commits]

nikic wrote:

Could you please also add one explicit test for this? The other ones all look like fuzzer generated test cases that might break randomly again in the future...

https://github.com/llvm/llvm-project/pull/85575