Added a test

idea/idea-completion/testData/basic/java/syntheticExtensions/NullableReceiver.kt

@@ -0,0 +1,8 @@
+import java.io.File
+
+fun foo(file: File?) {
+    file.<caret>
+}
+
+// EXIST: { lookupString: "absolutePath", itemText: "absolutePath", tailText: " (from getAbsolutePath())", typeText: "String!", attributes: "grayed" }
+// ABSENT: getAbsolutePath

idea/idea-completion/tests/org/jetbrains/kotlin/idea/completion/test/JvmBasicCompletionTestGenerated.java

@@ -2316,6 +2316,12 @@ public class JvmBasicCompletionTestGenerated extends AbstractJvmBasicCompletionT
                 doTest(fileName);
             }
 
+            @TestMetadata("NullableReceiver.kt")
+            public void testNullableReceiver() throws Exception {
+                String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/basic/java/syntheticExtensions/NullableReceiver.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("SafeCall.kt")
             public void testSafeCall() throws Exception {
                 String fileName = JetTestUtils.navigationMetadata("idea/idea-completion/testData/basic/java/syntheticExtensions/SafeCall.kt");