fix corner case in reduce_vars (#4283)

fixes #4282
2020-11-17 06:43:04 +00:00
parent b9798a01a8
commit 2a612fd472
2 changed files with 30 additions and 2 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -616,7 +616,11 @@ merge(Compressor.prototype, {
                if (node instanceof AST_DestructuredObject) {
                    var save = fixed;
                    node.properties.forEach(function(node) {
-                        if (node.key instanceof AST_Node) node.key.walk(tw);
+                        if (node.key instanceof AST_Node) {
+                            push(tw);
+                            node.key.walk(tw);
+                            pop(tw);
+                        }
                        fixed = function() {
                            var key = node.key;
                            var type = AST_Sub;