[llvm] [SCEV] Fix BinomialCoefficient Iteration to fit in W bits (PR #88010)

[via llvm-commits]

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+; RUN: opt -S -passes='indvars' -verify-scev < %s | FileCheck %s
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annamthomas wrote:

Thanks, updated the test case.

https://github.com/llvm/llvm-project/pull/88010