KT-1187 Wrong unnecessary completion

#KT-1187 Fixed

compiler/backend/src/org/jetbrains/jet/cli/jvm/compiler/TipsManager.java

@@ -36,6 +36,7 @@ import org.jetbrains.jet.lang.resolve.scopes.JetScope;
 import org.jetbrains.jet.lang.resolve.scopes.JetScopeUtils;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ExpressionReceiver;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
+import org.jetbrains.jet.lang.types.ErrorUtils;
 import org.jetbrains.jet.lang.types.JetType;
 import org.jetbrains.jet.lang.types.NamespaceType;
 import org.jetbrains.jet.lang.types.expressions.ExpressionTypingUtils;
@@ -61,7 +62,7 @@ public final class TipsManager {
             JetScope resolutionScope = context.get(BindingContext.RESOLUTION_SCOPE, expression);
             JetType expressionType = context.get(BindingContext.EXPRESSION_TYPE, receiverExpression);
 
-            if (expressionType != null && resolutionScope != null) {
+            if (expressionType != null && resolutionScope != null && !ErrorUtils.isErrorType(expressionType)) {
                 if (!(expressionType instanceof NamespaceType)) {
                     ExpressionReceiver receiverDescriptor = new ExpressionReceiver(receiverExpression, expressionType);
                     Set<DeclarationDescriptor> descriptors = new HashSet<DeclarationDescriptor>();

idea/testData/completion/basic/DoNotCompleteForErrorReceivers.kt

@@ -0,0 +1,7 @@
+// KT-1187 Wrong unnecessary completion
+
+fun anyfun() {
+    a.b.c.d.e.f.<caret>
+}
+
+// NUMBER: 0

idea/tests/org/jetbrains/jet/completion/JetBasicCompletionTest.java

@@ -56,6 +56,10 @@ public class JetBasicCompletionTest extends JetCompletionTestBase {
         doTest();
     }
 
+    public void testDoNotCompleteForErrorReceivers() {
+        doTest();
+    }
+
     public void testExtendClassName() {
         doTest();
     }