Support deserialization of ResolutionImpact for members of unnamed mixin applications

pkg/compiler/lib/src/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.
 
 library dart2js.compiler_base;
 
 import 'dart:async' show EventSink, Future;
 
 import '../compiler_new.dart' as api;
 import 'cache_strategy.dart' show CacheStrategy;
@@ skipping 1854 matching lines @@
     }
     assert(invariant(element, hasResolvedAst(element),
         message: "ResolvedAst not available for $element."));
     return null;
   }
 
   @override
   bool hasResolutionImpact(Element element) {
     assert(invariant(element, element.isDeclaration,
         message: "Element $element must be the declaration."));
+    if (compiler.serialization.isDeserialized(element)) {
+      return compiler.serialization.hasResolutionImpact(element);
+    }
     return _resolutionImpactCache.containsKey(element);
   }
 
   @override
   ResolutionImpact getResolutionImpact(Element element) {
     assert(invariant(element, element.isDeclaration,
         message: "Element $element must be the declaration."));
-    ResolutionImpact resolutionImpact = _resolutionImpactCache[element];
+    ResolutionImpact resolutionImpact;
+    if (compiler.serialization.isDeserialized(element)) {
+      resolutionImpact = compiler.serialization.getResolutionImpact(element);
+    } else {
+      resolutionImpact = _resolutionImpactCache[element];
+    }
     assert(invariant(element, resolutionImpact != null,
         message: "ResolutionImpact not available for $element."));
     return resolutionImpact;
   }
 
   @override
   WorldImpact getWorldImpact(Element element) {
     assert(invariant(element, element.isDeclaration,
         message: "Element $element must be the declaration."));
     WorldImpact worldImpact = _worldImpactCache[element];
     assert(invariant(element, worldImpact != null,
         message: "WorldImpact not computed for $element."));
     return worldImpact;
   }
 
   @override
   WorldImpact computeWorldImpact(Element element) {
     assert(invariant(element, element.isDeclaration,
         message: "Element $element must be the declaration."));
     return _worldImpactCache.putIfAbsent(element, () {
       assert(compiler.parser != null);
       Node tree = compiler.parser.parse(element);
       assert(invariant(element, !element.isSynthesized || tree == null));
       ResolutionImpact resolutionImpact = compiler.resolver.resolve(element);
+
       if (compiler.serialization.supportSerialization ||
           retainCachesForTesting) {
         // [ResolutionImpact] is currently only used by serialization. The
         // enqueuer uses the [WorldImpact] which is always cached.
         // TODO(johnniwinther): Align these use cases better; maybe only
         // cache [ResolutionImpact] and let the enqueuer transform it into
         // a [WorldImpact].
         _resolutionImpactCache[element] = resolutionImpact;
       }
       if (tree != null && !compiler.options.analyzeSignaturesOnly) {
@@ skipping 111 matching lines @@
   _ElementScanner(this.scanner);
   void scanLibrary(LibraryElement library) => scanner.scanLibrary(library);
   void scanUnit(CompilationUnitElement unit) => scanner.scan(unit);
 }
 
 class _EmptyEnvironment implements Environment {
   const _EmptyEnvironment();
 
   String valueOf(String key) => null;
 }