Discard function elements created while building elements in annotations (issue 25696)

pkg/analyzer/test/generated/all_the_rest_test.dart

Index: pkg/analyzer/test/generated/all_the_rest_test.dart
diff --git a/pkg/analyzer/test/generated/all_the_rest_test.dart b/pkg/analyzer/test/generated/all_the_rest_test.dart
index 3eb5cd096ae336a64212b07474f315d1cfbfdf46..b359c789ed9e5fba5eb851622c6a45fcfb6d1493 100644
--- a/pkg/analyzer/test/generated/all_the_rest_test.dart
+++ b/pkg/analyzer/test/generated/all_the_rest_test.dart
@@ -275,11 +275,19 @@ class ElementBuilderTest extends ParserTestCase {
    * resulting [ElementHolder].
    */
   ElementHolder buildElementsForText(String code) {
-    compilationUnit = ParserTestCase.parseCompilationUnit(code);
-    ElementHolder holder = new ElementHolder();
-    ElementBuilder builder = new ElementBuilder(holder, compilationUnitElement);
-    compilationUnit.accept(builder);
-    return holder;
+    TestLogger logger = new TestLogger();
+    AnalysisEngine.instance.logger = logger;
+    try {
+      compilationUnit = ParserTestCase.parseCompilationUnit(code);
+      ElementHolder holder = new ElementHolder();
+      ElementBuilder builder =
+          new ElementBuilder(holder, compilationUnitElement);
+      compilationUnit.accept(builder);
+      return holder;
+    } finally {
+      expect(logger.log, hasLength(0));
+      AnalysisEngine.instance.logger = Logger.NULL;
+    }
   }
 
   /**
@@ -587,6 +595,38 @@ class C {
     expect(type.isSynthetic, isFalse);
   }
 
+  void test_visitClassDeclaration_invalidFunctionInAnnotation_class() {
+    // https://github.com/dart-lang/sdk/issues/25696
+    String code = r'''
+class A {
+  const A({f});
+}
+
+@A(f: () {})
+class C {}
+''';
+    buildElementsForText(code);
+  }
+
+  void test_visitClassDeclaration_invalidFunctionInAnnotation_method() {
+    String code = r'''
+class A {
+  const A({f});
+}
+
+class C {
+  @A(f: () {})
+  void m() {}
+}
+''';
+    ElementHolder holder = buildElementsForText(code);
+    ClassElement elementC = holder.types[1];
+    expect(elementC, isNotNull);
+    MethodElement methodM = elementC.methods[0];
+    expect(methodM, isNotNull);
+    expect(methodM.functions, isEmpty);
+  }
+
   void test_visitClassDeclaration_minimal() {
     ElementHolder holder = new ElementHolder();
     ElementBuilder builder = _makeBuilder(holder);