Moved zones and zone related stuff in its own directory.

src/compiler/operator.h

 // Copyright 2013 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_COMPILER_OPERATOR_H_
 #define V8_COMPILER_OPERATOR_H_
 
 #include <ostream>  // NOLINT(readability/streams)
 
 #include "src/base/flags.h"
 #include "src/base/functional.h"
 #include "src/handles.h"
-#include "src/zone.h"
+#include "src/zone/zone.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
 // An operator represents description of the "computation" of a node in the
 // compiler IR. A computation takes values (i.e. data) as input and produces
 // zero or more values as output. The side-effects of a computation must be
 // captured by additional control and data dependencies which are part of the
 // IR graph.
@@ skipping 220 matching lines @@
 template <>
 struct OpEqualTo<Handle<ScopeInfo>> : public Handle<ScopeInfo>::equal_to {};
 template <>
 struct OpHash<Handle<ScopeInfo>> : public Handle<ScopeInfo>::hash {};
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_OPERATOR_H_