IDEA-84428 Basic completion not working for methods from static imports

java/java-impl/src/com/intellij/codeInsight/completion/JavaCompletionUtil.java

@@ -459,7 +459,7 @@ public class JavaCompletionUtil {
       }
     }
 
-    if (javaReference instanceof PsiReferenceExpression && !((PsiReferenceExpression)javaReference).isQualified()) {
+    if (javaReference instanceof PsiJavaCodeReferenceElement && !((PsiJavaCodeReferenceElement)javaReference).isQualified()) {
       final StaticMemberProcessor memberProcessor = JavaGlobalMemberNameCompletionContributor.completeStaticMembers(parameters);
       memberProcessor.processMembersOfRegisteredClasses(matcher, new PairConsumer<PsiMember, PsiClass>() {
         @Override

java/java-tests/testData/codeInsight/completion/normal/StaticallyImportedMethodsBeforeExpression.java

@@ -0,0 +1,11 @@
+import static Foo.assertNotNull;
+
+class Foo {
+  static void assertNotNull() {}
+}
+
+class Bar {
+  {
+    asnn<caret> lists.get(0).size() > 0);
+  }
+}

java/java-tests/testData/codeInsight/completion/normal/StaticallyImportedMethodsBeforeExpression_after.java

@@ -0,0 +1,11 @@
+import static Foo.assertNotNull;
+
+class Foo {
+  static void assertNotNull() {}
+}
+
+class Bar {
+  {
+    assertNotNull();<caret> lists.get(0).size() > 0);
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/completion/NormalCompletionTest.groovy

@@ -1328,5 +1328,6 @@ public class ListUtils {
 
   public void testListArrayListCast() { doTest('\n') }
   public void testInterfaceImplementationNoCast() { doTest() }
+  public void testStaticallyImportedMethodsBeforeExpression() { doTest() }
 
 }