[flang-commits] [flang] [flang] Do not set nuw on RESHAPE index arithmetic involving lower bounds (PR #229733)

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jeanPerier wrote:

> Looks like this patch breaks the HLFIR/simplify-hlfir-intrinsics-pack.fir unit-test.

Yes, another PR added tests that depends on the code modified here was merged a couple hours before this one.
This was just fixed by https://github.com/llvm/llvm-project/pull/230076. 

https://github.com/llvm/llvm-project/pull/229733