internal static void EmitConstrainedCoercion(ILEmitter/*!*/ il, Type/*!*/ narrow, Type/*!*/ wide, object threshold)
{
Label else_label = il.DefineLabel();
Label endif_label = il.DefineLabel();
il.Emit(OpCodes.Dup);
// IF (STACK <= threshold) THEN
il.LoadLiteral(threshold);
il.Emit(OpCodes.Bgt_S, else_label);
// LOAD (narrow)STACK
il.Conv(narrow, false);
il.Emit(OpCodes.Box, narrow);
il.Emit(OpCodes.Br_S, endif_label);
// ELSE
il.MarkLabel(else_label);
// LOAD (wide)STACK
il.Conv(wide, false);
il.Emit(OpCodes.Box, wide);
// ENDIF
il.MarkLabel(endif_label);
}