Fix AST-based type inference on empty lists.

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

Index: pkg/analyzer/lib/src/summary/link.dart
diff --git a/pkg/analyzer/lib/src/summary/link.dart b/pkg/analyzer/lib/src/summary/link.dart
index 87d02abedcd47ab7e5ffb7f8b7c6b812888fc293..1b3f15fa5287835fb07461b801505ccd823d5cdb 100644
--- a/pkg/analyzer/lib/src/summary/link.dart
+++ b/pkg/analyzer/lib/src/summary/link.dart
@@ -2048,7 +2048,9 @@ class ExprTypeComputer {
 
   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]));
   }