copy to final: ensure to walk up through nested lambdas (IDEA-177496)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mustBeFinal18/afterInsideLambdaNested.java

@@ -0,0 +1,11 @@
+// "Copy 'a' to effectively final temp variable" "true"
+class Test {
+    public void test() {
+        int a = 1;
+        a = 2;
+        int finalA = a;
+        Runnable r = () -> {
+            Runnable rr = () -> System.out.println(finalA);
+        };
+    }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/mustBeFinal18/beforeInsideLambdaNested.java

@@ -0,0 +1,10 @@
+// "Copy 'a' to effectively final temp variable" "true"
+class Test {
+    public void test() {
+        int a = 1;
+        a = 2;
+        Runnable r = () -> {
+            Runnable rr = () -> System.out.println(<caret>a);
+        };
+    }
+}