Add erroneous elements for function types and use them to allow unresolvable constructors to be han…

lib/compiler/implementation/ssa/builder.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 class Interceptors {
   Compiler compiler;
   Interceptors(Compiler this.compiler);
 
   SourceString mapOperatorToMethodName(Operator op) {
     String name = op.source.stringValue;
@@ skipping 2399 matching lines @@
       Send selector = send.selector;
       if (selector.receiver is TypeAnnotation) {
         return selector.receiver;
       }
     } else {
       compiler.internalError("malformed send in new expression");
     }
   }
 
   visitNewExpression(NewExpression node) {
-    if (node.isConst()) {
+    Element element = elements[node.send];
+    if (Element.isInvalid(element)) {
+      // TODO(karlklose): generate runtime error or noSuchMethodCall, depending
+      // on whether element is null or it is an erroneous element with a
+      // particular error message.
+      compiler.cancel('Unimplemented unresolved constructor call', node: node);
+    } else if (node.isConst()) {
       // TODO(karlklose): add type representation
       ConstantHandler handler = compiler.constantHandler;
       Constant constant = handler.compileNodeWithDefinitions(node, elements);
       stack.add(graph.addConstant(constant));
     } else {
       visitNewSend(node.send);
     }
   }
 
   visitSendSet(SendSet node) {
@@ skipping 1210 matching lines @@
           new HSubGraphBlockInformation(elseBranch.graph));
 
     HBasicBlock conditionStartBlock = conditionBranch.block;
     conditionStartBlock.setBlockFlow(info, joinBlock);
     SubGraph conditionGraph = conditionBranch.graph;
     HIf branch = conditionGraph.end.last;
     assert(branch is HIf);
     branch.blockInformation = conditionStartBlock.blockFlow;
   }
 }