1 files changed, 13 insertions, 0 deletions
diff --git a/JavaScriptCore/wtf/Vector.h b/JavaScriptCore/wtf/Vector.h
index c833eeb..c60de15 100644
--- a/JavaScriptCore/wtf/Vector.h
+++ b/JavaScriptCore/wtf/Vector.h
@@ -557,6 +557,7 @@ namespace WTF {
         const T& last() const { return at(size() - 1); }
 
         template<typename U> size_t find(const U&) const;
+        template<typename U> size_t reverseFind(const U&) const;
 
         void shrink(size_t size);
         void grow(size_t size);
@@ -744,6 +745,18 @@ namespace WTF {
     }
 
     template<typename T, size_t inlineCapacity>
+    template<typename U>
+    size_t Vector<T, inlineCapacity>::reverseFind(const U& value) const
+    {
+        for (size_t i = 1; i <= size(); ++i) {
+            const size_t index = size() - i;
+            if (at(index) == value)
+                return index;
+        }
+        return notFound;
+    }
+
+    template<typename T, size_t inlineCapacity>
     void Vector<T, inlineCapacity>::fill(const T& val, size_t newSize)
     {
         if (size() > newSize)