Fix for analyzer-cli and the new SummaryBasedDartSdk 'strongMode' parameter.

pkg/analyzer_cli/lib/src/driver.dart

Index: pkg/analyzer_cli/lib/src/driver.dart
diff --git a/pkg/analyzer_cli/lib/src/driver.dart b/pkg/analyzer_cli/lib/src/driver.dart
index ab624daf9a3a0d380ec7d5093beac463f770fcbf..17ac8773208a1ec912206b3453101a778a6ad312 100644
--- a/pkg/analyzer_cli/lib/src/driver.dart
+++ b/pkg/analyzer_cli/lib/src/driver.dart
@@ -587,7 +587,8 @@ class Driver implements CommandLineStarter {
   void _setupSdk(CommandLineOptions options) {
     if (sdk == null) {
       if (options.dartSdkSummaryPath != null) {
-        sdk = new SummaryBasedDartSdk(options.dartSdkSummaryPath);
+        sdk = new SummaryBasedDartSdk(
+            options.dartSdkSummaryPath, options.strongMode);
       } else {
         String dartSdkPath = options.dartSdkPath;
         DirectoryBasedDartSdk directorySdk =