Fix tests: No dangling annotations in stubs

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetClassBody.java

@@ -92,7 +92,7 @@ public class JetClassBody extends JetElementImplStub<KotlinPlaceHolderStub<JetCl
     @NotNull
     public List<JetAnnotationEntry> getDanglingAnnotations() {
         return KotlinPackage.flatMap(
-                findChildrenByClass(JetModifierList.class),
+                getStubOrPsiChildrenAsList(MODIFIER_LIST),
                 new Function1<JetModifierList, Iterable<JetAnnotationEntry>>() {
                     @Override
                     public Iterable<JetAnnotationEntry> invoke(JetModifierList modifierList) {

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetFile.java

@@ -245,8 +245,15 @@ public class JetFile extends PsiFileBase implements JetDeclarationContainer, Jet
      */
     @NotNull
     public List<JetAnnotationEntry> getDanglingAnnotations() {
+        KotlinFileStub stub = getStub();
+        JetModifierList[] danglingModifierLists = stub == null
+                                                  ? findChildrenByClass(JetModifierList.class)
+                                                  : stub.getChildrenByType(
+                                                          JetStubElementTypes.MODIFIER_LIST,
+                                                          JetStubElementTypes.MODIFIER_LIST.getArrayFactory()
+                                                  );
         return KotlinPackage.flatMap(
-                findChildrenByClass(JetModifierList.class),
+                danglingModifierLists,
                 new Function1<JetModifierList, Iterable<JetAnnotationEntry>>() {
                     @Override
                     public Iterable<JetAnnotationEntry> invoke(JetModifierList modifierList) {

idea/testData/stubs/DanglingAnnotations.expected

@@ -0,0 +1,18 @@
+PsiJetFileStubImpl[package=]
+  PACKAGE_DIRECTIVE:
+  CLASS:[fqName=C, isEnumEntry=false, isLocal=false, isTopLevel=true, isTrait=false, name=C, superNames=[]]
+    CLASS_BODY:
+      MODIFIER_LIST:[]
+        ANNOTATION:
+          ANNOTATION_ENTRY:[hasValueArguments=false, shortName=Ann]
+            CONSTRUCTOR_CALLEE:
+              TYPE_REFERENCE:
+                USER_TYPE:[isAbsoluteInRootPackage=false]
+                  REFERENCE_EXPRESSION:[referencedName=Ann]
+  MODIFIER_LIST:[]
+    ANNOTATION:
+      ANNOTATION_ENTRY:[hasValueArguments=false, shortName=Ann]
+        CONSTRUCTOR_CALLEE:
+          TYPE_REFERENCE:
+            USER_TYPE:[isAbsoluteInRootPackage=false]
+              REFERENCE_EXPRESSION:[referencedName=Ann]

idea/testData/stubs/DanglingAnnotations.kt

@@ -0,0 +1,5 @@
+class C {
+    [Ann]
+}
+
+[Ann]

idea/tests/org/jetbrains/jet/plugin/stubs/StubBuilderTestGenerated.java

@@ -84,6 +84,12 @@ public class StubBuilderTestGenerated extends AbstractStubBuilderTest {
         doTest(fileName);
     }
 
+    @TestMetadata("DanglingAnnotations.kt")
+    public void testDanglingAnnotations() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/stubs/DanglingAnnotations.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("DynamicType.kt")
     public void testDynamicType() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/stubs/DynamicType.kt");