void CheckMethodDebugInformationTable()
{
var mdi = pdb_metadata.table_heap.GetTable<MethodDebugInformationTable> (Table.MethodDebugInformation);
if (mdi.length > 0)
return;
// The MethodDebugInformation table has the same length as the Method table
mdi.rows = new Row<uint, uint> [module_metadata.method_rid - 1];
mdi.length = mdi.rows.Length;
}