When in-body incremantal resolution is performed, it should update REFERENCED_NAMES.

pkg/analyzer/test/generated/incremental_resolver_test.dart

Index: pkg/analyzer/test/generated/incremental_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/incremental_resolver_test.dart b/pkg/analyzer/test/generated/incremental_resolver_test.dart
index f0b0107a7d635829c06e710542711d5afb1be201..febb8b55ce349226e3643bd64a3365db6d292b0b 100644
--- a/pkg/analyzer/test/generated/incremental_resolver_test.dart
+++ b/pkg/analyzer/test/generated/incremental_resolver_test.dart
@@ -520,6 +520,19 @@ class PoorMansIncrementalResolutionTest extends ResolverTestCase {
   CompilationUnit oldUnit;
   CompilationUnitElement oldUnitElement;
 
+  void assertSameReferencedNames(
+      ReferencedNames incNames, ReferencedNames fullNames) {
+    expectEqualSets(Iterable actual, Iterable expected) {
+      expect(actual, unorderedEquals(expected));
+    }
+    expectEqualSets(incNames.names, fullNames.names);
+    expectEqualSets(incNames.instantiatedNames, fullNames.instantiatedNames);
+    expectEqualSets(incNames.superToSubs.keys, fullNames.superToSubs.keys);
+    for (String key in fullNames.superToSubs.keys) {
+      expectEqualSets(incNames.superToSubs[key], fullNames.superToSubs[key]);
+    }
+  }
+
   @override
   void setUp() {
     super.setUp();
@@ -1909,6 +1922,8 @@ class B extends A {}
     logger.expectNoErrors();
     List<AnalysisError> newErrors = analysisContext.computeErrors(source);
     LineInfo newLineInfo = analysisContext.getLineInfo(source);
+    ReferencedNames newReferencedNames =
+        analysisContext.getResult(source, REFERENCED_NAMES);
     // check for expected failure
     if (!expectedSuccess) {
       expect(newUnit.element, isNot(same(oldUnitElement)));
@@ -1941,6 +1956,10 @@ class B extends A {}
       _assertEqualTokens(newUnit, fullNewUnit);
       // Validate LineInfo
       _assertEqualLineInfo(newLineInfo, analysisContext.getLineInfo(source));
+      // Validate referenced names.
+      ReferencedNames fullReferencedNames =
+          analysisContext.getResult(source, REFERENCED_NAMES);
+      assertSameReferencedNames(newReferencedNames, fullReferencedNames);
       // Validate that "incremental" and "full" units have the same resolution.
       try {
         assertSameResolution(newUnit, fullNewUnit, validateTypes: true);