Qualified "this" supported by lazy resolve:

- Appropriate scope methods implemented
- Class declarations recorded in the binding trace

compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/AbstractLazyMemberScope.java

@@ -187,7 +187,8 @@ public abstract class AbstractLazyMemberScope<D extends DeclarationDescriptor, D
     @NotNull
     @Override
     public Collection<DeclarationDescriptor> getDeclarationsByLabel(@NotNull LabelName labelName) {
-        throw new UnsupportedOperationException(); // TODO
+        // A member scope has no labels
+        return Collections.emptySet();
     }
 
     @Override

compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/LazyClassDescriptor.java

@@ -26,6 +26,7 @@ import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.AnnotationResolver;
+import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.DescriptorResolver;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
 import org.jetbrains.jet.lang.resolve.lazy.data.FilteringClassLikeInfo;
@@ -85,6 +86,8 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements ClassDes
             @NotNull JetClassLikeInfo classLikeInfo
     ) {
         this.resolveSession = resolveSession;
+        this.resolveSession.getTrace().record(BindingContext.CLASS, classLikeInfo.getCorrespondingClassOrObject(), this);
+
         this.originalClassInfo = classLikeInfo;
         JetClassLikeInfo classLikeInfoForMembers =
                 classLikeInfo.getClassKind() != ClassKind.ENUM_CLASS ? classLikeInfo : noEnumEntries(classLikeInfo);
@@ -138,6 +141,7 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements ClassDes
         if (scopeForMemberDeclarationResolution == null) {
             WritableScopeImpl scope = new WritableScopeImpl(
                     getScopeForMemberLookup(), this, RedeclarationHandler.DO_NOTHING, "Member Declaration Resolution");
+            scope.addLabeledDeclaration(this);
             scope.importScope(getScopeForClassHeaderResolution());
 
             scope.changeLockLevel(WritableScope.LockLevel.READING);

compiler/testData/lazyResolve/diagnostics/QualifiedThis.txt

@@ -0,0 +1,30 @@
+namespace <root>
+
+// <namespace name="closures">
+namespace closures
+
+internal final class closures.A : jet.Any {
+    public final /*constructor*/ fun <init>(/*0*/ a: jet.Int): closures.A
+    internal final val a: jet.Int
+    internal final class closures.A.B : jet.Any {
+        public final /*constructor*/ fun <init>(): closures.A.B
+        internal final fun jet.Char.xx(): jet.Any
+        internal final val jet.Int.xx: jet.Int
+        internal final val x: closures.A.B
+        internal final val y: closures.A
+        internal final val z: closures.A.B
+    }
+}
+// </namespace name="closures">
+internal final class A : jet.Any {
+    public final /*constructor*/ fun <init>(): A
+    internal final fun foo(): jet.Tuple0
+    internal final val x: jet.Tuple0
+    internal final val y: jet.Tuple0
+    internal final val z: jet.Tuple0
+}
+internal final class Dup : jet.Any {
+    public final /*constructor*/ fun <init>(): Dup
+    internal final fun Dup(): jet.Tuple0
+}
+internal final fun foo1(): jet.Tuple0