[llvm] Use DIExpression::foldConstantMath() at the result of an appendOpsToArg() (PR #71721)

[Shubham Sandeep Rastogi via llvm-commits]

rastogishubham wrote:

@SLTozer Thanks for the feedback! I really appreciate it, I will try to update the patches with the suggestions

https://github.com/llvm/llvm-project/pull/71721