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/NotNullArgumentLambdaInIfInsideBody.java

@@ -0,0 +1,12 @@
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+class C {
+    void foo(@Nullable Object o) {
+        if (o != null)
+            ((Runnable) (() -> <selection>bar(o)</selection>)).run();
+    }
+
+    void bar(@NotNull Object o) {
+    }
+}