[llvm] [Reassociate] Drop weight reduction to fix issue 91417 (PR #91469)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

Should be fixed by https://github.com/llvm/llvm-project/commit/9a282724a29899e84adc91bdeaf639010408a80d. Thank you! @nikic


https://github.com/llvm/llvm-project/pull/91469