fix corner case in rename (#4000)

fixes #3999
2020-06-15 01:29:01 +08:00
parent ae9f56be10
commit 8b2cfd45fa
2 changed files with 41 additions and 7 deletions
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -543,11 +543,8 @@ AST_Toplevel.DEFMETHOD("expand_names", function(options) {
        var redef = def.redefined();
        var name = redef ? redef.rename || redef.name : next_name();
        def.rename = name;
-        def.orig.forEach(function(sym) {
-            sym.name = name;
-        });
-        def.references.forEach(function(sym) {
-            sym.name = name;
+        def.orig.concat(def.references).forEach(function(sym) {
+            if (sym.definition() === def) sym.name = name;
        });
    }
 });