fixed an exception from 'getConstructorReferenceExpression'

(from exception analyzer)

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

@@ -37,10 +37,9 @@ public class JetConstructorCalleeExpression extends JetExpressionImpl {
             return null;
         }
         JetTypeElement typeElement = typeReference.getTypeElement();
-        if (typeElement == null) {
+        if (!(typeElement instanceof JetUserType)) {
             return null;
         }
-        assert typeElement instanceof JetUserType : typeElement;
         return ((JetUserType) typeElement).getReferenceExpression();
     }
 

compiler/testData/diagnostics/tests/incompleteCode/diagnosticWithSyntaxError/typeReferenceError.kt

@@ -0,0 +1,4 @@
+package typeReferenceError
+
+class <!ABSTRACT_MEMBER_NOT_IMPLEMENTED!>Pair<!><<!SYNTAX!><!>:(val c: <!SYNTAX!><!SYNTAX!><!>fun<!><!SYNTAX!><!> <!UNRESOLVED_REFERENCE!>main<!>()
+

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

@@ -1949,6 +1949,11 @@ public class JetDiagnosticsTestGenerated extends AbstractDiagnosticsTestWithEage
                     doTest("compiler/testData/diagnostics/tests/incompleteCode/diagnosticWithSyntaxError/namedFun.kt");
                 }
                 
+                @TestMetadata("typeReferenceError.kt")
+                public void testTypeReferenceError() throws Exception {
+                    doTest("compiler/testData/diagnostics/tests/incompleteCode/diagnosticWithSyntaxError/typeReferenceError.kt");
+                }
+                
             }
             
             public static Test innerSuite() {