fix corner case in side_effects (#4513)

fixes #4512
2021-01-05 18:11:30 +00:00
parent 4c89550c43
commit 71c3d04681
2 changed files with 15 additions and 9 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -8073,15 +8073,7 @@ merge(Compressor.prototype, {
            }
            if (argname instanceof AST_Destructured) {
                has_destructured = true;
-                var abort = false;
-                argname.walk(new TreeWalker(function(node) {
-                    if (abort) return true;
-                    if (node instanceof AST_DestructuredKeyVal) {
-                        var key = node.key;
-                        if (key instanceof AST_Node && has_arg_refs(key)) return abort = true;
-                    }
-                }));
-                if (abort) return false;
+                if (has_arg_refs(argname)) return false;
            }
            return true;
        });