CLI support for `enableAssertInitializer`s.

pkg/analyzer_cli/lib/src/driver.dart

 // Copyright (c) 2015, 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.
 
 library analyzer_cli.src.driver;
 
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io' as io;
 
@@ skipping 301 matching lines @@
     if (options.log != _previousOptions.log) {
       return false;
     }
     if (options.disableHints != _previousOptions.disableHints) {
       return false;
     }
     if (options.enableStrictCallChecks !=
         _previousOptions.enableStrictCallChecks) {
       return false;
     }
+    if (options.enableAssertInitializer !=
+        _previousOptions.enableAssertInitializer) {
+      return false;
+    }
     if (options.showPackageWarnings != _previousOptions.showPackageWarnings) {
       return false;
     }
     if (options.showPackageWarningsPrefix !=
         _previousOptions.showPackageWarningsPrefix) {
       return false;
     }
     if (options.showSdkWarnings != _previousOptions.showSdkWarnings) {
       return false;
     }
@@ skipping 425 matching lines @@
             resourceProvider, null, null,
             options: options.contextBuilderOptions)
         .getAnalysisOptions(contextRoot,
             verbosePrint: options.verbose ? verbosePrint : null);
 
     contextOptions.trackCacheDependencies = false;
     contextOptions.disableCacheFlushing = options.disableCacheFlushing;
     contextOptions.hint = !options.disableHints;
     contextOptions.generateImplicitErrors = options.showPackageWarnings;
     contextOptions.generateSdkErrors = options.showSdkWarnings;
+    contextOptions.enableAssertInitializer = options.enableAssertInitializer;
 
     return contextOptions;
   }
 
   static void setAnalysisContextOptions(
       file_system.ResourceProvider resourceProvider,
       AnalysisContext context,
       CommandLineOptions options,
       void configureContextOptions(AnalysisOptionsImpl contextOptions)) {
     AnalysisOptionsImpl analysisOptions =
@@ skipping 135 matching lines @@
     for (var package in packages) {
       var packageName = path.basename(package.path);
       var realPath = package.resolveSymbolicLinksSync();
       result[packageName] = [
         PhysicalResourceProvider.INSTANCE.getFolder(realPath)
       ];
     }
     return result;
   }
 }