scan within IIFEs of assigned values (#2702)

fixes #2701
2018-01-02 01:24:23 +08:00
parent 673b071637
commit 2f3bddbaca
2 changed files with 30 additions and 3 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -4913,9 +4913,8 @@ merge(Compressor.prototype, {
            if (reachable) return true;
            if (node instanceof AST_Scope && node !== self) {
                var parent = scan_scope.parent();
-                if (!(parent instanceof AST_Call && parent.expression === node)) {
-                    node.walk(find_ref);
-                }
+                if (parent instanceof AST_Call && parent.expression === node) return;
+                node.walk(find_ref);
                return true;
            }
        });