fix corner case in conditionals (#4777)

2021-03-15 04:44:41 +00:00
parent 4fb54b066f
commit 2619bff3cf
2 changed files with 24 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -11044,6 +11044,7 @@ merge(Compressor.prototype, {
            if (len != b.length) return -2;
            for (var i = 0; i < len; i++) {
                if (!a[i].equivalent_to(b[i])) {
+                    if (a[i] instanceof AST_Spread !== b[i] instanceof AST_Spread) return -3;
                    for (var j = i + 1; j < len; j++) {
                        if (!a[j].equivalent_to(b[j])) return -2;
                    }