fix corner case in merge_vars (#5143)

fixes #5142
2021-10-04 17:42:46 +01:00
parent 87b99162fb
commit c8b0f685ee
2 changed files with 32 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -5694,7 +5694,7 @@ merge(Compressor.prototype, {
            if (node instanceof AST_Call) {
                var exp = node.expression;
                var tail = exp.tail_node();
-                if (!(tail instanceof AST_LambdaExpression)) {
+                if (!is_lambda(tail)) {
                    descend();
                    return mark_expression(exp);
                }