[llvm] [llvm-gsymutil] Option --symtab-file to specify a separate binary (PR #79898)

[via llvm-commits]

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@@ -92,6 +92,7 @@ static uint64_t SegmentSize;
 static bool Quiet;
 static std::vector<uint64_t> LookupAddresses;
 static bool LookupAddressesFromStdin;
+static std::string SymbolTableFilename;
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kusmour wrote:

Just trying to keep it the same as other global string types (eg. OutputFilename is also an optional flag).
It will default to empty string if we didn't use that.

https://github.com/llvm/llvm-project/pull/79898