[llvm] Use DIExpression::foldConstantMath at the result of a Salvaged expression (PR #71721)

[Shubham Sandeep Rastogi via llvm-commits]

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@@ -0,0 +1,81 @@
+//===- llvm/IR/DIExpressionOptimizer.h - Constant folding of DIExpressions --*-
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rastogishubham wrote:

Umm pretty sure the `+1,81` refers to the number of lines, not columns

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