Handle const constructor invocation in kernel_impact.

pkg/compiler/lib/src/resolution/members.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.
 
 library dart2js.resolution.members;
 
 import '../common.dart';
 import '../common/names.dart' show Selectors;
 import '../common/resolution.dart' show Resolution;
 import '../compile_time_constants.dart';
@@ skipping 3868 matching lines @@
                     ConstructorAccessKind.NON_CONSTANT_CONSTRUCTOR,
                     constructor,
                     type),
                 selector));
         return new ResolutionResult.forElement(constructor);
     }
 
     if (!isInvalid) {
       // [constructor] might be the implementation element
       // and only declaration elements may be registered.
-      registry.registerStaticUse(new StaticUse.constructorInvoke(
-          constructor.declaration, callStructure));
       // TODO(johniwinther): Avoid registration of `type` in face of redirecting
       // factory constructors.
-      registry.registerTypeUse(new TypeUse.instantiation(type));
+      registry.registerStaticUse(
+          node.isConst
+              ? new StaticUse.constConstructorInvoke(

[Harry Terkelsen, 2016/10/07 15:53:21]

this is the output of dartfmt? looks weird

[Johnni Winther, 2016/10/10 09:58:12]

No. Forgot to dartfmt this CL.

+              constructor.declaration, callStructure, type)
+              : new StaticUse.typedConstructorInvoke(
+              constructor.declaration, callStructure, type));
       InterfaceType interfaceType = type;
       if (interfaceType.typeArguments.any((DartType type) => !type.isDynamic)) {
         registry.registerFeature(Feature.TYPE_VARIABLE_BOUNDS_CHECK);
       }
     }
 
     ResolutionResult resolutionResult = const NoneResult();
     if (node.isConst) {
       bool isValidAsConstant = !isInvalid && constructor.isConst;
 
@@ skipping 836 matching lines @@
     }
     return const NoneResult();
   }
 }
 
 /// Looks up [name] in [scope] and unwraps the result.
 Element lookupInScope(
     DiagnosticReporter reporter, Node node, Scope scope, String name) {
   return Elements.unwrap(scope.lookup(name), reporter, node);
 }