IDEA-77484 + tests

java/java-tests/testData/inspection/dataFlow/fixture/CanBeNullDoesntImplyIsNull.java

@@ -0,0 +1,14 @@
+import org.jetbrains.annotations.Nullable;
+
+public class DDD {
+  int test(boolean t) {
+    if (t && <warning descr="Dereference of 'fff()' may produce 'java.lang.NullPointerException'">fff()</warning>.length == 1) {
+      return 0;
+    }
+    return 1;
+  }
+
+  public @Nullable DDD[] fff() {
+    return new DDD[8];
+  }
+}