[llvm] [RemoveDIs] Add flag to control loading into new debug mode from bitcode (PR #85649)

[Carlos Alberto Enciso via llvm-commits]

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@@ -100,6 +100,13 @@ static cl::opt<bool> ExpandConstantExprs(
     cl::desc(
         "Expand constant expressions to instructions for testing purposes"));
 
+/// Load bitcode directly into RemoveDIs format (use debug records instead
+/// of debug intrinsics). UNSET is treated as FALSE, so the default action
+/// is to do nothing. Individual tools can override this to incrementally add
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CarlosAlbertoEnciso wrote:

The 'UNSET' reference seems confusing. May be just add `cl::init(false)`.

https://github.com/llvm/llvm-project/pull/85649