(svn r20731) -Fix (r20739): SmallVector did not have an assignment operator, causing invalid memory reads / double free

src/core/smallvec_type.hpp

@@ -36,12 +36,20 @@ protected:
 public:
 	SmallVector() : data(NULL), items(0), capacity(0) { }
 
-	template<uint X>
+	template <uint X>
 	SmallVector(const SmallVector<T, X> &other) : data(NULL), items(0), capacity(0)
 	{
 		MemCpyT<T>(this->Append(other.Length()), other.Begin(), other.Length());
 	}
 
+	template <uint X>
+	SmallVector &operator=(const SmallVector<T, X> &other)
+	{
+		this->Reset();
+		MemCpyT<T>(this->Append(other.Length()), other.Begin(), other.Length());
+		return *this;
+	}
+
 	~SmallVector()
 	{
 		free(this->data);