Java: Infer nullability of extracted method's parameter in presence of a lambda or an anonymous class (IDEA-175727)

java/java-tests/testData/refactoring/extractMethod/NotNullArgumentAnonymousClassInIf.java

@@ -0,0 +1,18 @@
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+class C {
+    void foo(@Nullable Object o) {
+        if (o != null) {
+            <selection>Runnable r = new Runnable() {
+                @Override
+                public void run() {
+                    bar(o);
+                }
+            };</selection>
+        }
+    }
+
+    void bar(@NotNull Object o) {
+    }
+}