[Lldb-commits] [lldb] [lldb] Fix Intel PT plugin compile errors (PR #77252)

[Walter Erquinigo via lldb-commits]

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@@ -107,7 +107,15 @@ DecodedThread::CreateNewTraceItem(lldb::TraceItemKind kind) {
     (*m_last_tsc)->second.items_count++;
   if (m_last_nanoseconds)
     (*m_last_nanoseconds)->second.items_count++;
-  return m_item_data.back();
+
+  TraceItemStorage &data = m_item_data.back();
+
+  // If creating an error item, then properly initialize TraceItemStorage's
+  // non-trivially-constructible union member `error`.
+  if (kind == lldb::eTraceItemKindError)
+    new (&data.error) std::string();
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walter-erquinigo wrote:

could you just do `data.error = {}`?

https://github.com/llvm/llvm-project/pull/77252