Update lldb/tools/lldb-dap/JSONUtils.cpp

Co-authored-by: Ebuka Ezike <[email protected]>

Author: aahrun

lldb/tools/lldb-dap/JSONUtils.cpp

@@ -554,10 +554,8 @@ llvm::json::Value CreateStackFrame(DAP &dap, lldb::SBFrame &frame,
 
   lldb::SBModule module = frame.GetModule();
   if (module.IsValid()) {
-    const char *uuid_cstr = module.GetUUIDString();
-    std::string uuid = uuid_cstr ? uuid_cstr : "";
-    if (!uuid.empty())
-      object.try_emplace("moduleId", uuid);
+    if (const llvm::StringRef uuid = module.GetUUIDString(); !uuid.empty())
+      object.try_emplace("moduleId", uuid.str());
   }
 
   return llvm::json::Value(std::move(object));