IDEA-123870 Completion does not suggest expected methods after instanceof

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

@@ -0,0 +1,14 @@
+public class Class2 {
+    void test(Object o) {
+        if (o instanceof B && ((A)o).a() && o.<caret>
+    }
+}
+
+
+interface A {
+    boolean a();
+}
+
+interface B extends A {
+    boolean b();
+}