typeCheckingContext.isInStaticContext = false;
// collect every variable expression used in the loop body
final Map<VariableExpression, ClassNode> varOrigType = new HashMap<VariableExpression, ClassNode>();
Statement code = expression.getCode();
code.visit(new VariableExpressionTypeMemoizer(varOrigType));
Map<VariableExpression, List<ClassNode>> oldTracker = pushAssignmentTracking();
// first, collect closure shared variables and reinitialize types
SharedVariableCollector collector = new SharedVariableCollector(getSourceUnit());
collector.visitClosureExpression(expression);