marshal mangle[.properties].reserved from non-Array values (#2072)

2017-06-09 04:29:12 +08:00
parent 9c306406f1
commit 293c566d6c
3 changed files with 25 additions and 2 deletions
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -377,13 +377,15 @@ AST_Symbol.DEFMETHOD("global", function(){
 });

 AST_Toplevel.DEFMETHOD("_default_mangler_options", function(options){
-    return defaults(options, {
+    options = defaults(options, {
        eval        : false,
        ie8         : false,
        keep_fnames : false,
        reserved    : [],
        toplevel    : false,
    });
+    if (!Array.isArray(options.reserved)) options.reserved = [];
+    return options;
 });

 AST_Toplevel.DEFMETHOD("mangle_names", function(options){