Merged PR 104340: TypedArray: add HasVirtualTableInfo to check CrossSite

TypedArray: add HasVirtualTableInfo to check CrossSite
chakra-core · Jan 31, 2018 · 480bec0 · 480bec0
2 parents 692aac4 + dd054ff
commit 480bec0
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/Runtime/Library/TypedArray.h b/lib/Runtime/Library/TypedArray.h
@@ -265,6 +265,10 @@ namespace Js
         static BOOL Is(Var aValue);
         static TypedArray<TypeName, clamped, virtualAllocated>* FromVar(Var aValue);
         static TypedArray<TypeName, clamped, virtualAllocated>* UnsafeFromVar(Var aValue);
+        static BOOL HasVirtualTableInfo(Var aValue)
+        {
+            return VirtualTableInfo<TypedArray<TypeName, clamped, virtualAllocated>>::HasVirtualTable(aValue) || VirtualTableInfo<CrossSiteObject<TypedArray<TypeName, clamped, virtualAllocated>>>::HasVirtualTable(aValue);
+        }
 
         inline Var BaseTypedDirectGetItem(__in uint32 index)
         {