fix corner case in reduce_vars (#4802)

fixes #4801
2021-03-18 15:58:35 +00:00
parent 2508481e33
commit 3016a78d85
3 changed files with 37 additions and 7 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -10436,7 +10436,7 @@ merge(Compressor.prototype, {
                    } else {
                        value = fixed.optimize(compressor);
                    }
-                    if (value === fixed) value = value.transform(new TreeTransformer(function(node, descend) {
+                    value = value.transform(new TreeTransformer(function(node, descend) {
                        if (node instanceof AST_Scope) return node;
                        node = node.clone();
                        descend(node, this);