Ensure types are resolved for combined import/export closures.

pkg/analyzer/lib/src/task/dart.dart

Index: pkg/analyzer/lib/src/task/dart.dart
diff --git a/pkg/analyzer/lib/src/task/dart.dart b/pkg/analyzer/lib/src/task/dart.dart
index dde0ebce7e37ca7e25abbe9850eb81508fc29a3a..8809da3d8e0960276f1aadbe7917453ee5de3912 100644
--- a/pkg/analyzer/lib/src/task/dart.dart
+++ b/pkg/analyzer/lib/src/task/dart.dart
@@ -172,6 +172,15 @@ final ListResultDescriptor<AnalysisError> HINTS =
         'HINT_ERRORS', AnalysisError.NO_ERRORS);
 
 /**
+ * The sources representing the combined import/export closure of a library.
+ * The [Source]s include only library sources, not their units.
+ *
+ * The result is only available for [Source]s representing a library.
+ */
+final ListResultDescriptor<Source> IMPORT_EXPORT_SOURCE_CLOSURE =
+    new ListResultDescriptor<Source>('IMPORT_EXPORT_SOURCE_CLOSURE', null);
+
+/**
  * The sources representing the import closure of a library.
  * The [Source]s include only library sources, not their units.
  *
@@ -1576,10 +1585,10 @@ class BuildSourceClosuresTask extends SourceBasedAnalysisTask {
    * The task descriptor describing this kind of task.
    */
   static final TaskDescriptor DESCRIPTOR = new TaskDescriptor(
-      'BuildExportSourceClosureTask', createTask, buildInputs,
-      <ResultDescriptor>[
+      'BuildSourceClosuresTask', createTask, buildInputs, <ResultDescriptor>[
     IMPORT_SOURCE_CLOSURE,
     EXPORT_SOURCE_CLOSURE,
+    IMPORT_EXPORT_SOURCE_CLOSURE,
     IS_CLIENT
   ]);
 
@@ -1601,6 +1610,7 @@ class BuildSourceClosuresTask extends SourceBasedAnalysisTask {
     //
     outputs[IMPORT_SOURCE_CLOSURE] = importClosure;
     outputs[EXPORT_SOURCE_CLOSURE] = exportClosure;
+    outputs[IMPORT_EXPORT_SOURCE_CLOSURE] = importExportClosure;
     outputs[IS_CLIENT] = importExportClosure.contains(htmlSource);
   }
 
@@ -2841,11 +2851,11 @@ class ResolveLibraryTypeNamesTask extends SourceBasedAnalysisTask {
   static Map<String, TaskInput> buildInputs(Source libSource) {
     return <String, TaskInput>{
       LIBRARY_INPUT: LIBRARY_ELEMENT4.of(libSource),
-      'resolvedUnits': IMPORT_SOURCE_CLOSURE
+      'resolvedUnits': IMPORT_EXPORT_SOURCE_CLOSURE
           .of(libSource)
           .toMapOf(UNITS)
           .toFlattenList((Source library, Source unit) =>
-              RESOLVED_UNIT4.of(new LibrarySpecificUnit(library, unit)))
+              RESOLVED_UNIT4.of(new LibrarySpecificUnit(library, unit))),
     };
   }