Report StateError if the DartSDK for an AnalysisDriver does not have summary.

pkg/analyzer/lib/src/dart/analysis/driver.dart

Index: pkg/analyzer/lib/src/dart/analysis/driver.dart
diff --git a/pkg/analyzer/lib/src/dart/analysis/driver.dart b/pkg/analyzer/lib/src/dart/analysis/driver.dart
index c24183c21bbc0b7fde562a6ace5d31a0e7997c5f..0d16a9221cc11a1210f6ff601aecc10090dfc68a 100644
--- a/pkg/analyzer/lib/src/dart/analysis/driver.dart
+++ b/pkg/analyzer/lib/src/dart/analysis/driver.dart
@@ -78,7 +78,7 @@ class AnalysisDriver {
   /**
    * The name of the driver, e.g. the name of the folder.
    */
-  String name;
+  final String name;
 
   /**
    * The scheduler that schedules analysis work in this, and possibly other
@@ -239,12 +239,19 @@ class AnalysisDriver {
       this._resourceProvider,
       this._byteStore,
       this._contentOverlay,
+      this.name,
       SourceFactory sourceFactory,
       this._analysisOptions)
       : _sourceFactory = sourceFactory.clone() {
     _testView = new AnalysisDriverTestView(this);
     _fillSalt();
     _sdkBundle = sourceFactory.dartSdk.getLinkedBundle();
+    if (_sdkBundle == null) {
+      Type sdkType = sourceFactory.dartSdk.runtimeType;
+      String message = 'DartSdk ($sdkType) for $name does not have summary.';
+      AnalysisEngine.instance.logger.logError(message);
+      throw new StateError(message);
+    }
     _fsState = new FileSystemState(
         _logger,
         _byteStore,