lambda: process lambda as parameter for anonymous class (IDEA-116987)

java/java-psi-api/src/com/intellij/psi/LambdaUtil.java

@@ -455,7 +455,12 @@ public class LambdaUtil {
           if (!tryToSubstitute) return cachedType;
         }
 
-        final PsiElement gParent = expressionList.getParent();
+        PsiElement gParent = expressionList.getParent();
+
+        if (gParent instanceof PsiAnonymousClass) {
+          gParent = gParent.getParent();
+        }
+
         if (gParent instanceof PsiCall) {
           final PsiCall contextCall = (PsiCall)gParent;
           final JavaResolveResult resolveResult = contextCall.resolveMethodGenerics();

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/ArgumentOfAnonymousClass.java

@@ -0,0 +1,19 @@
+interface I<T> {
+    void accept(T t);
+}
+
+class LamdbaTest<T> {
+
+    public void f() {
+        new A<T>(t -> g(t)) {};
+    }
+
+    private void g(T t) {
+    }
+
+    class A<T2> {
+        public A(I<T> editor) {
+        }
+    }
+
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/NewLambdaHighlightingTest.java

@@ -82,6 +82,10 @@ public class NewLambdaHighlightingTest extends LightDaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testArgumentOfAnonymousClass() throws Exception {
+    doTest();
+  }
+
   private void doTest() {
     doTest(false);
   }