message: Fix disassembly of DIDerivedType
diff: @@ -345,14 +345,13 @@ rdcstr DIBasicType::toString() const
  rdcstr DIDerivedType::toString() const
  {
  - rdcstr ret = StringFormat::Fmt("!DIDerivedType(tag: %s, name: %s", ToStr(tag).c_str(),
  - escapeString(name ? *name : rdcstr()).c_str());
  + rdcstr ret = StringFormat::Fmt("!DIDerivedType(tag: %s", ToStr(tag).c_str());
  + if(name)
  + ret += StringFormat::Fmt(", name: %s", escapeString(*name).c_str());
  if(scope)
  ret += StringFormat::Fmt(", scope: %s", scope->refString().c_str());
  if(file)
  ret += StringFormat::Fmt(", file: %s", file->refString().c_str());
  - else
  - ret += ", file: null";
  if(line)
  ret += StringFormat::Fmt(", line: %llu", line);
  if(base)
  