Do not apply negate_iife optimization to new expression

2016-05-09 03:19:28 -04:00
parent a0e03c9df4
commit bcc1318d4b
2 changed files with 29 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -811,6 +811,11 @@ merge(Compressor.prototype, {
                if (stat instanceof AST_SimpleStatement) {
                    stat.body = (function transform(thing) {
                        return thing.transform(new TreeTransformer(function(node){
+                            if (node instanceof AST_New
+                                && node.expression instanceof AST_Call
+                                && node.expression.expression instanceof AST_Function) {
+                                return node;
+                            }
                            if (node instanceof AST_Call && node.expression instanceof AST_Function) {
                                return make_node(AST_UnaryPrefix, node, {
                                    operator: "!",