poly conditional expression type = target type (IDEA-122401)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/IDEA122401.java

@@ -0,0 +1,26 @@
+import java.util.Comparator;
+
+class NullComparator<T> {
+  private final Comparator<T> real = null;
+  private Comparator<? super T> other;
+  private Comparator<T> another;
+
+  NullComparator(Comparator<? super T> real) {
+  }
+
+  public NullComparator<T> thenComparing() {
+    return new NullComparator<>(real == null ? other : another);
+  }
+
+  Comparator<T> a() {
+    return null;
+  }
+
+  Comparator<? super T> b() {
+    return null;
+  }
+
+  public NullComparator<T> thenComparing1() {
+    return new NullComparator<>(real == null ? a() : b());
+  }
+}