fix corner case in functions (#4488)

fixes #4487
2021-01-01 02:39:40 +00:00
parent a10c7793bb
commit 311c074622
2 changed files with 25 additions and 1 deletions
--- a/lib/compress.js
+++ b/lib/compress.js
@@ -5659,7 +5659,7 @@ merge(Compressor.prototype, {
                            var defun = make_node(AST_Defun, def, def.value);
                            defun.name = make_node(AST_SymbolDefun, def.name, def.name);
                            var name_def = def.name.scope.resolve().def_function(defun.name);
-                            if (old_def) old_def.references.forEach(function(node) {
+                            if (old_def) old_def.forEach(function(node) {
                                node.name = name_def.name;
                                node.thedef = name_def;
                                node.reference({});