Enable component builds for fuzzers

src/zone/zone.h

 // 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.
 
 #ifndef V8_ZONE_ZONE_H_
 #define V8_ZONE_ZONE_H_
 
 #include <limits>
 
 #include "src/base/hashmap.h"
@@ skipping 11 matching lines @@
 // the Zone supports deallocating all chunks in one fast
 // operation. The Zone is used to hold temporary data structures like
 // the abstract syntax tree, which is deallocated after compilation.
 //
 // Note: There is no need to initialize the Zone; the first time an
 // allocation is attempted, a segment of memory will be requested
 // through a call to malloc().
 //
 // Note: The implementation is inherently not thread safe. Do not use
 // from multi-threaded code.
-class Zone final {
+class V8_EXPORT_PRIVATE Zone final {
  public:
   explicit Zone(AccountingAllocator* allocator);
   ~Zone();
 
   // Allocate 'size' bytes of memory in the Zone; expands the Zone by
   // allocating new segments of memory on demand using malloc().
   void* New(size_t size);
 
   template <typename T>
   T* NewArray(size_t length) {
@@ skipping 189 matching lines @@
   void operator delete(void* pointer, Zone* zone) { UNREACHABLE(); }
 };
 
 typedef base::TemplateHashMapImpl<void*, void*, ZoneAllocationPolicy>
     ZoneHashMap;
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_ZONE_ZONE_H_