Fix recursion emission for nested functions

trans/transpiler/phases/emit_cpp/expr.py

@@ -85,7 +85,8 @@ class ExpressionVisitor(NodeVisitor):
     def visit_Name(self, node: ast.Name) -> Iterable[str]:
         res = self.fix_name(node.id)
         if self.scope.function and (decl := self.scope.get(res)) and decl.type is self.scope.function.obj_type:
-            res = "(*this)"
+            if not self.scope.function.parent.function:
+                res = "(*this)"
             #if decl.kind == VarKind.SELF:
             #    res = "(*this)"
             #elif decl.future and CoroutineMode.ASYNC in self.generator: