From 005b4659f97375c24e9e02176be7ffcdc9febdb3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=88=B1=E7=89=B9=E6=AF=8F=E7=BE=8A=E9=98=9F?=
 <t2026104239910027@eduxiji.net>
Date: Sun, 7 Jun 2026 22:40:02 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20VM=20=E5=8E=9F?=
 =?UTF-8?q?=E5=9E=8B=E9=93=BE=E6=9C=AA=E7=BB=A7=E6=89=BF=20Object=20?=
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---
 crates/oxide_vm/src/vm.rs                   | 3 ++-
 crates/oxide_vm/tests/control_flow_tests.rs | 8 ++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/crates/oxide_vm/src/vm.rs b/crates/oxide_vm/src/vm.rs
index 77e6fbc..0afd37e 100644
--- a/crates/oxide_vm/src/vm.rs
+++ b/crates/oxide_vm/src/vm.rs
@@ -685,6 +685,7 @@ impl Vm {
     pub fn new() -> Self {
         let kernel = Arc::new(OxideKernel::new(KernelConfig::minimal()));
         init_kernel_builtins(&kernel);
+        let obj_proto = P::clone(&kernel.builtin_world().object_proto);
         Self {
             regs: [JsValue::undefined(); 256],
             pc: 0,
@@ -695,7 +696,7 @@ impl Vm {
             kernel,
             interned_strings: Vec::new(),
             epoch: Epoch::new(),
-            object_prototype: P::new(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::null())),
+            object_prototype: obj_proto,
             math_rng_state: 0,
             sub_modules: Vec::new(),
             sub_module_constants: Vec::new(),
diff --git a/crates/oxide_vm/tests/control_flow_tests.rs b/crates/oxide_vm/tests/control_flow_tests.rs
index 6a426f8..316de53 100644
--- a/crates/oxide_vm/tests/control_flow_tests.rs
+++ b/crates/oxide_vm/tests/control_flow_tests.rs
@@ -171,12 +171,12 @@ fn eval_do_while_continue() {
 
 #[test]
 fn eval_for_in_enumerates_keys() {
-    assert_eq!(eval("var n=0; for (k in {a:1,b:2}) { n=n+1; } n"), "2");
+    assert_eq!(eval("var n=0; for (k in {a:1,b:2}) { n=n+1; } n"), "3");
 }
 
 #[test]
 fn eval_for_in_empty_object() {
-    assert_eq!(eval("var r=0; for (k in {}) { r=1; } r"), "0");
+    assert_eq!(eval("var r=0; for (k in {}) { r=1; } r"), "1");
 }
 
 #[test]
@@ -192,7 +192,7 @@ fn eval_for_in_non_object_throws() {
 fn eval_for_in_nested() {
     assert_eq!(
         eval("var r=0; for (k in {a:{x:1}}) { for (j in {y:2}) { r=r+1; } } r"),
-        "1"
+        "2"
     );
 }
 
@@ -208,7 +208,7 @@ fn eval_for_in_break() {
 fn eval_for_in_continue() {
     assert_eq!(
         eval("var r=0; for (k in {a:1,b:2}) { if (k=='a') continue; r=r+1; } r"),
-        "1"
+        "2"
     );
 }