Fix AST-based type inference on empty lists.

pkg/analyzer/lib/src/summary/link.dart

 // Copyright (c) 2016, 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.
 
 /**
  * This library is capable of producing linked summaries from unlinked
  * ones (or prelinked ones).  It functions by building a miniature
  * element model to represent the contents of the summaries, and then
  * scanning the element model to gather linked information and adding
  * it to the summary data structures.
@@ skipping 2030 matching lines @@
 
   void _doMakeTypeMap() {
     DartType keyType = _getNextTypeRef();
     DartType valueType = _getNextTypeRef();
     stack.length -= 2 * _getNextInt();
     stack.add(typeProvider.mapType.instantiate(<DartType>[keyType, valueType]));
   }
 
   void _doMakeUntypedList() {
     int numItems = _getNextInt();
-    DartType itemType = _popList(numItems).reduce(_leastUpperBound);
+    DartType itemType = numItems == 0
+        ? DynamicTypeImpl.instance
+        : _popList(numItems).reduce(_leastUpperBound);
     itemType = _dynamicIfNull(itemType);
     stack.add(typeProvider.listType.instantiate(<DartType>[itemType]));
   }
 
   void _doMakeUntypedMap() {
     int numEntries = _getNextInt();
     List<DartType> keysValues = _popList(2 * numEntries);
     DartType keyType = null;
     DartType valueType = null;
     for (int i = 0; i < 2 * numEntries; i++) {
@@ skipping 1881 matching lines @@
           List<int> implicitFunctionTypeIndices) =>
       DynamicTypeImpl.instance;
 
   ReferenceableElementForLink getContainedName(String name) {
     return new NonstaticMemberElementForLink(_constNode);
   }
 
   @override
   noSuchMethod(Invocation invocation) => super.noSuchMethod(invocation);
 }