fix corner case indefault_values (#4511)

fixes #4510
2021-01-05 17:26:19 +00:00
parent 7ebfb22d16
commit 4c89550c43
2 changed files with 50 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -6143,8 +6143,9 @@ merge(Compressor.prototype, {
                    var values = value instanceof AST_Array && value.elements;
                    var elements = [];
                    node.elements.forEach(function(element, index) {
-                        if (element instanceof AST_Hole) return;
                        value = values && values[index];
+                        if (value instanceof AST_Spread) value = values = null;
+                        if (element instanceof AST_Hole) return;
                        element = element.transform(trimmer);
                        if (element) elements[index] = element;
                    });