fix corner case in collapse_vars (#5574)

fixes #5573
2022-07-23 00:18:26 +01:00
parent 56e9454f1f
commit b371dc2d1e
2 changed files with 29 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -2593,7 +2593,8 @@ Compressor.prototype.compress = function(node) {
                        if (value instanceof AST_Array) return !all(node.elements, function(element, index) {
                            return !arg_may_throw(reject, element, value[index]);
                        });
-                        return value.is_string(compressor) && !all(node.elements, function(element) {
+                        if (!value.is_string(compressor)) return true;
+                        return !all(node.elements, function(element) {
                            return !arg_may_throw(reject, element);
                        });
                    }