fix unsafe evaluation of objects (#2388)

2017-10-22 04:19:40 +08:00
parent 011123223b
commit 4ae1fb3ed8
2 changed files with 19 additions and 0 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -4492,6 +4492,7 @@ merge(Compressor.prototype, {
        if (def) {
            return def.optimize(compressor);
        }
+        if (is_lhs(self, compressor.parent())) return self;
        if (compressor.option("unsafe") && self.expression instanceof AST_Object) {
            var values = self.expression.properties;
            for (var i = values.length; --i >= 0;) {