Widen big concrete types to dynamic.

sdk/lib/_internal/compiler/implementation/compiler.dart

 // Copyright (c) 2012, 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.
 
 part of dart2js;
 
 /**
  * If true, print a warning for each method that was resolved, but not
  * compiled.
  */
@@ skipping 97 matching lines @@
   final Stopwatch totalCompileTime = new Stopwatch();
   int nextFreeClassId = 0;
   World world;
   String assembledCode;
   Types types;
 
   final bool enableMinification;
   final bool enableTypeAssertions;
   final bool enableUserAssertions;
   final bool enableConcreteTypeInference;
+  final int maxConcreteTypeSize;

[ahe, 2012/12/20 10:18:22]

Please document this variable.

[polux, 2012/12/20 10:31:50]

Done.

   final bool analyzeAll;
   final bool enableNativeLiveTypeAnalysis;
   final bool rejectDeprecatedFeatures;
   final bool checkDeprecationInSdk;
 
   bool disableInlining = false;
 
   final Tracer tracer;
 
   CompilerTask measuredTask;
@@ skipping 98 matching lines @@
   int phase;
 
   bool compilationFailed = false;
 
   bool hasCrashed = false;
 
   Compiler({this.tracer: const Tracer(),
             this.enableTypeAssertions: false,
             this.enableUserAssertions: false,
             this.enableConcreteTypeInference: false,
+            this.maxConcreteTypeSize: 5,
             this.enableMinification: false,
             this.enableNativeLiveTypeAnalysis: false,
             bool emitJavaScript: true,
             bool generateSourceMap: true,
             bool disallowUnsafeEval: false,
             this.analyzeAll: false,
             this.rejectDeprecatedFeatures: false,
             this.checkDeprecationInSdk: false,
             List<String> strips: const []})
       : libraries = new Map<String, LibraryElement>(),
@@ skipping 730 matching lines @@
   // TODO(johnniwinther): Use [spannable] and [message] to provide better
   // information on assertion errors.
   if (condition is Function){
     condition = condition();
   }
   if (spannable == null || !condition) {
     throw new SpannableAssertionFailure(spannable, message);
   }
   return true;
 }