Do not apply negate_iife optimization to `new` expression

1 files changed, 24 insertions, 0 deletions

diff --git a/test/compress/negate-iife.js b/test/compress/negate-iife.js
index 89c3f064..20b3f56e 100644
--- a/test/compress/negate-iife.js
+++ b/test/compress/negate-iife.js
@@ -74,3 +74,27 @@ negate_iife_4: {
         }();
     }
 }
+
+negate_iife_issue_1073: {
+    options = {
+        negate_iife: true,
+        sequences: true,
+        conditionals: true,
+    };
+    input: {
+        new (function(a) {
+            return function Foo() {
+                this.x = a;
+                console.log(this);
+            };
+        }(7))();
+    }
+    expect: {
+        new (function(a) {
+            return function Foo() {
+                this.x = a,
+                console.log(this);
+            };
+        }(7))();
+    }
+}