message: [Swift] Need to qualify StringRef after some header cleanup
diff: @@ -704,7 +704,7 @@ SwiftLanguage::GetHardcodedSummaries() {
  }
  return swift_metatype_summary_sp;
  }
  - StringRef tau_ = u8"$\u03C4_";
  + llvm::StringRef tau_ = u8"$\u03C4_";
  if (valobj.GetName().GetLength() > 12 &&
  valobj.GetName().GetStringRef().startswith(tau_) &&
  type.GetTypeName() == g_RawPointerType) {
  