fix corner case in rename (#3481)

fixes #3480
2019-10-15 19:44:07 +08:00
parent 86a8016323
commit 8af2f5fbcf
4 changed files with 135 additions and 6 deletions
--- a/lib/output.js
+++ b/lib/output.js
@@ -1355,7 +1355,7 @@ function OutputStream(options) {
    });
    DEFPRINT(AST_Symbol, function(self, output) {
        var def = self.definition();
-        output.print_name(def ? def.mangled_name || def.name : self.name);
+        output.print_name(def && def.mangled_name || self.name);
    });
    DEFPRINT(AST_Hole, noop);
    DEFPRINT(AST_This, function(self, output) {