IDEA-163489 Inspection "Constant conditions & exceptions" with option "Suggest @Nullable annotation for methods" warns about lambdas

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

@@ -0,0 +1,16 @@
+import java.util.Random;
+import java.util.List;
+
+class TestCompilerWarnings {
+  long foo(List<String> l) {
+    return l.stream().map(s -> {
+      if (new Random().nextInt() > 2) {
+        return null;
+      }
+      else {
+        return s;
+      }
+    }).count();
+  }
+
+}