out: while (true) {
var m = base54(++this.cname);
if (!is_identifier(m)) continue; // skip over "do"
+
+ // https://github.com/mishoo/UglifyJS2/issues/242 -- do not
+ // shadow a name excepted from mangling.
+ if (options.except.indexOf(m) >= 0) continue;
+
// we must ensure that the mangled name does not shadow a name
// from some parent scope that is referenced in this or in
// inner scopes.
-
- //bugfix: https://github.com/mishoo/UglifyJS2/issues/242
- if(options.except.indexOf(m) !== -1){
- continue;
- }
for (var i = ext.length; --i >= 0;) {
var sym = ext[i];
var name = sym.mangled_name || (sym.unmangleable(options) && sym.name);