cmdline flags override analysis options in file

pkg/analyzer/lib/src/task/options.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.src.task.options;
 
 import 'dart:collection';
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/plugin/options.dart';
@@ skipping 520 matching lines @@
     }
   }
 
   void _applyLanguageOption(
       AnalysisOptionsImpl options, Object feature, Object value) {
     bool boolValue = toBool(value);
     if (boolValue != null) {
       if (feature == AnalyzerOptions.enableAssertInitializer) {
         options.enableAssertInitializer = boolValue;
       } else if (feature == AnalyzerOptions.enableStrictCallChecks) {
-        options.enableStrictCallChecks = true;
+        options.enableStrictCallChecks = boolValue;
       } else if (feature == AnalyzerOptions.enableSuperMixins) {
         options.enableSuperMixins = boolValue;
       }
     }
   }
 
   void _applyLanguageOptions(AnalysisOptionsImpl options, Object configs) {
     if (configs is YamlMap) {
       configs.nodes.forEach((key, value) {
         if (key is YamlScalar && value is YamlScalar) {
@@ skipping 34 matching lines @@
         }
       });
     } else if (config is Map) {
       options.strongMode = true;
       config.forEach((k, v) => _applyStrongModeOption(options, k, v));
     } else {
       options.strongMode = config is bool ? config : false;
     }
   }
 }