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/propmangle.js
+++ b/lib/propmangle.js
@@ -78,7 +78,8 @@ function mangle_properties(ast, options) {
        reserved: null,
    });

-    var reserved = options.reserved || [];
+    var reserved = options.reserved;
+    if (!Array.isArray(reserved)) reserved = [];
    if (!options.builtins) find_builtins(reserved);

    var cache = options.cache;