Fix compilation failure due to overload of virtual function

src/d8.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <errno.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
 
 #include <algorithm>
@@ skipping 117 matching lines @@
     if (RoundToPageSize(&length)) return VirtualMemoryAllocate(length);
 #endif
 // Work around for GCC bug on AIX
 // See: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79839
 #if V8_OS_AIX && _LINUX_SOURCE_COMPAT
     return __linux_malloc(length);
 #else
     return malloc(length);
 #endif
   }
+  using ArrayBufferAllocatorBase::Free;
   void Free(void* data, size_t length) override {
 #if USE_VM
     if (RoundToPageSize(&length)) {
       base::VirtualMemory::ReleaseRegion(data, length);
       return;
     }
 #endif
     free(data);
   }
   // If {length} is at least {VM_THRESHOLD}, round up to next page size
@@ skipping 3063 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif