$OpenBSD$

index 0ce8382..4b8d09f 100644
--- js/src/vm/Shape.h.orig	Fri Feb 20 15:40:37 2015
+++ js/src/vm/Shape.h	Fri Feb 20 15:40:37 2015
@@ -1464,6 +1464,7 @@ struct StackShape
         JS_ASSERT(base);
         JS_ASSERT(!JSID_IS_VOID(propid));
         JS_ASSERT(slot <= SHAPE_INVALID_SLOT);
+        JS_ASSERT_IF(attrs & (JSPROP_GETTER | JSPROP_SETTER), attrs & JSPROP_SHARED);
     }
 
     StackShape(Shape *shape)
@@ -1573,6 +1574,7 @@ Shape::Shape(const StackShape &other, uint32_t nfixed)
     flags(other.flags),
     parent(nullptr)
 {
+    JS_ASSERT_IF(attrs & (JSPROP_GETTER | JSPROP_SETTER), attrs & JSPROP_SHARED);
     kids.setNull();
 }