[llvm] llvm-dwarfdump --verify aggregated output to JSON file (PR #81762)

[Greg Clayton via llvm-commits]

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@@ -206,6 +206,7 @@ struct DIDumpOptions {
   bool IsEH = false;
   bool DumpNonSkeleton = false;
   bool ShowAggregateErrors = false;
+  std::string JsonSummaryFile = "";
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clayborg wrote:

no need for the ` = ""`, the default constructor will do this and it won't have to run `strlen()` on the empty string.

https://github.com/llvm/llvm-project/pull/81762