message: Add logging to SBCompileUnit::GetNumLineEntries.
diff: @@ -43,11 +43,16 @@ SBFileSpec SBCompileUnit::GetFileSpec() const {
  }
  uint32_t SBCompileUnit::GetNumLineEntries() const {
  + Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
  if (m_opaque_ptr) {
  LineTable *line_table = m_opaque_ptr->GetLineTable();
  - if (line_table)
  + if (line_table) {
  + log->Printf("SBCompileUnit(%p)::GetNumLineEntries() => %d",
  + static_cast<void *>(m_opaque_ptr),
  + (int)line_table->GetSize());
  return line_table->GetSize();
  }
  + }
  return 0;
  }
  