Propagate types of static const variables.

pkg/compiler/lib/src/cps_ir/cps_ir_builder_task.dart

 // Copyright (c) 2013, 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 dart2js.ir_builder_task;
 
 import '../closure.dart' as closurelib;
 import '../closure.dart' hide ClosureScope;
 import '../common.dart';
 import '../common/names.dart' show
@@ skipping 3335 matching lines @@
 
   @override
   ir.Primitive handleStaticFieldGet(ast.Send node, FieldElement field, _) {
     SourceInformation src = sourceInformationBuilder.buildGet(node);
     return buildStaticFieldGet(field, src);
   }
 
   ir.Primitive buildStaticFieldGet(FieldElement field, SourceInformation src) {
     ConstantValue constant = getConstantForVariable(field);
     if (constant != null && !field.isAssignable) {
+      typeMaskSystem.associateConstantValueWithElement(constant, field);
       return irBuilder.buildConstant(constant, sourceInformation: src);
     } else if (backend.constants.lazyStatics.contains(field)) {
       return irBuilder.buildStaticFieldLazyGet(field, src);
     } else {
       return irBuilder.buildStaticFieldGet(field, src);
     }
   }
 
   /// Build code to handle foreign code, that is, native JavaScript code, or
   /// builtin values and operations of the backend.
@@ skipping 230 matching lines @@
     if (compiler.backend.isForeign(function)) {
       return handleForeignCode(node, function, argumentList, callStructure);
     } else {
       return irBuilder.buildStaticFunctionInvocation(function, callStructure,
           translateStaticArguments(argumentList, function, callStructure),
           sourceInformation:
               sourceInformationBuilder.buildCall(node, node.selector));
     }
   }
 }