fix corner case in reduce_vars (#4796)

2021-03-17 21:14:14 +00:00
parent d4303b62cc
commit d837a46ebd
2 changed files with 26 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -624,6 +624,7 @@ merge(Compressor.prototype, {
            if (parent instanceof AST_Binary) return lazy_op[parent.operator];
            if (parent instanceof AST_Conditional) return parent.condition !== node;
            if (parent instanceof AST_Sequence) return parent.tail_node() === node;
+            if (parent instanceof AST_Spread) return true;
        }

        function mark_escaped(tw, d, scope, node, value, level, depth) {