1 files changed, 4 insertions, 1 deletions
diff --git a/Source/JavaScriptCore/runtime/DateInstance.cpp b/Source/JavaScriptCore/runtime/DateInstance.cpp
index 44e8b7d..95d5dc2 100644
--- a/Source/JavaScriptCore/runtime/DateInstance.cpp
+++ b/Source/JavaScriptCore/runtime/DateInstance.cpp
@@ -32,23 +32,26 @@ using namespace WTF;
 
 namespace JSC {
 
-const ClassInfo DateInstance::info = {"Date", 0, 0, 0};
+const ClassInfo DateInstance::s_info = {"Date", &JSWrapperObject::s_info, 0, 0};
 
 DateInstance::DateInstance(ExecState* exec, NonNullPassRefPtr<Structure> structure)
     : JSWrapperObject(exec->globalData(), structure)
 {
+    ASSERT(inherits(&s_info));
     setInternalValue(exec->globalData(), jsNaN());
 }
 
 DateInstance::DateInstance(ExecState* exec, NonNullPassRefPtr<Structure> structure, double time)
     : JSWrapperObject(exec->globalData(), structure)
 {
+    ASSERT(inherits(&s_info));
     setInternalValue(exec->globalData(), jsNumber(timeClip(time)));
 }
 
 DateInstance::DateInstance(ExecState* exec, double time)
     : JSWrapperObject(exec->globalData(), exec->lexicalGlobalObject()->dateStructure())
 {
+    ASSERT(inherits(&s_info));
     setInternalValue(exec->globalData(), jsNumber(timeClip(time)));
 }