KT-5527 Double TYPE_MISMATCH diagnostic when returns object

#KT-5527 Fixed

compiler/frontend/src/org/jetbrains/jet/lang/resolve/calls/CallExpressionResolver.java

@@ -83,7 +83,7 @@ public class CallExpressionResolver {
                 context.trace.record(REFERENCE_TARGET, expression, classifier);
                 JetType result = getExtendedClassObjectType(expression, classObjectType, classifier, context);
                 checkClassObjectVisibility(classifier, expression, context);
-                return DataFlowUtils.checkType(result, expression, context);
+                return result;
             }
         }
         JetType[] result = new JetType[1];

compiler/testData/diagnostics/tests/objects/kt5527.kt

@@ -0,0 +1,19 @@
+// !DIAGNOSTICS: -UNUSED_VARIABLE
+
+object Boo {}
+class A {
+    object Boo {}
+}
+
+fun foo() {
+    val i1: Int = <!TYPE_MISMATCH!>Boo<!>
+    val i2: Int = <!TYPE_MISMATCH!>A.Boo<!>
+    useInt(<!TYPE_MISMATCH!>Boo<!>)
+    useInt(<!TYPE_MISMATCH!>A.Boo<!>)
+}
+fun bar() {
+    val i1: Int = <!TYPE_MISMATCH!>Unit<!>
+    useInt(<!TYPE_MISMATCH!>Unit<!>)
+}
+
+fun useInt(i: Int) = i

compiler/tests/org/jetbrains/jet/checkers/JetDiagnosticsTestGenerated.java

@@ -5856,6 +5856,11 @@ public class JetDiagnosticsTestGenerated extends AbstractJetDiagnosticsTest {
                 doTest("compiler/testData/diagnostics/tests/objects/kt2240.kt");
             }
             
+            @TestMetadata("kt5527.kt")
+            public void testKt5527() throws Exception {
+                doTest("compiler/testData/diagnostics/tests/objects/kt5527.kt");
+            }
+            
             @TestMetadata("objectLiteralExpressionTypeMismatch.kt")
             public void testObjectLiteralExpressionTypeMismatch() throws Exception {
                 doTest("compiler/testData/diagnostics/tests/objects/objectLiteralExpressionTypeMismatch.kt");