[llvm] [Reassociate] Use uint64_t for repeat count (PR #94232)

[Yingwei Zheng via llvm-commits]

dtcxzyw wrote:

> I don't see any overflow checks here... is there some reason you can't overflow a uint64_t?

I think it overflows when there are more than 2^64 instructions in the IR. Can you provide a counterexample?


https://github.com/llvm/llvm-project/pull/94232