[turbofan] delete graph and schedule before register allocation.

src/compiler/typer.h

 // Copyright 2014 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_TYPER_H_
 #define V8_COMPILER_TYPER_H_
 
 #include "src/v8.h"
 
 #include "src/compiler/graph.h"
 #include "src/compiler/opcodes.h"
 #include "src/types.h"
 
 namespace v8 {
 namespace internal {
 namespace compiler {
 
-class Typer {
+class Typer : public ZoneObject {
  public:
   explicit Typer(Graph* graph, MaybeHandle<Context> context);
   ~Typer();
 
   void Run();
   void Narrow(Node* node);
 
   Graph* graph() { return graph_; }
   MaybeHandle<Context> context() { return context_; }
   Zone* zone() { return graph_->zone(); }
@@ skipping 31 matching lines @@
   Type* random_fun_;
   Type* array_buffer_fun_;
   Type* int8_array_fun_;
   Type* int16_array_fun_;
   Type* int32_array_fun_;
   Type* uint8_array_fun_;
   Type* uint16_array_fun_;
   Type* uint32_array_fun_;
   Type* float32_array_fun_;
   Type* float64_array_fun_;
+
+  DISALLOW_COPY_AND_ASSIGN(Typer);
 };
 }
 }
 }  // namespace v8::internal::compiler
 
 #endif  // V8_COMPILER_TYPER_H_