GROOVY-6438: @newify AST transformation doesn't work for anon inner classes

Author: paulk-asert

Diff for: src/main/org/codehaus/groovy/transform/NewifyASTTransformation.java

@@ -169,6 +169,11 @@ public Expression transform(Expression expr) {
         } else if (expr instanceof ClosureExpression) {
             ClosureExpression ce = (ClosureExpression) expr;
             ce.getCode().visit(this);
+        } else if (expr instanceof ConstructorCallExpression) {
+            ConstructorCallExpression cce = (ConstructorCallExpression) expr;
+            if (cce.isUsingAnonymousInnerClass()) {
+                cce.getType().visitContents(this);
+            }
         } else if (expr instanceof DeclarationExpression) {
             DeclarationExpression de = (DeclarationExpression) expr;
             if (de == candidate || auto) {

Diff for: src/test/org/codehaus/groovy/transform/NewifyTransformTest.groovy

@@ -144,4 +144,14 @@ class NewifyTransformTest extends GroovyShellTestCase {
             assert t.toString() == 'Branch(Leaf(1), Branch(Branch(Leaf(2), Leaf(3)), Leaf(4)))'
         """
     }
+
+    void testNewifyInnerClassNode_Groovy6438() {
+        def test = evaluate '''
+            @Newify String test() {
+              new Object() { def x() { String.new('ABC') } }.x()
+            }
+            test()
+        '''
+        assert test == 'ABC'
+    }
 }