Fix for EA-68569 with a test. #EA-68569 Fixed

compiler/backend/src/org/jetbrains/kotlin/codegen/PropertyCodegen.java

@@ -284,8 +284,8 @@ public class PropertyCodegen {
     }
 
     private void generatePropertyDelegateAccess(JetProperty p, PropertyDescriptor propertyDescriptor) {
-        assert p.getDelegateExpression() != null: "Property must have a delegate expression here";
-        JetType delegateType = bindingContext.getType(p.getDelegateExpression());
+        JetExpression delegateExpression = p.getDelegateExpression();
+        JetType delegateType = delegateExpression != null ? bindingContext.getType(p.getDelegateExpression()) : null;
         if (delegateType == null) {
             // If delegate expression is unresolved reference
             delegateType = ErrorUtils.createErrorType("Delegate type");

idea/testData/javaFacade/ea68569.kt

@@ -0,0 +1,3 @@
+class Some<caret>() {
+    val renderer by 
+}

idea/tests/org/jetbrains/kotlin/idea/javaFacade/JetJavaFacadeTest.java

@@ -119,6 +119,10 @@ public class JetJavaFacadeTest extends JetLightCodeInsightFixtureTestCase {
         doTestWrapClass();
     }
 
+    public void testEa68569() {
+        doTestWrapClass();
+    }
+
     public void testWrapTopLevelFunWithDefaultParams() {
         doTestWrapMethod(true);
     }