Remove the dependency of Zone on Isolate

test/cctest/compiler/codegen-tester.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_CCTEST_COMPILER_CODEGEN_TESTER_H_
 #define V8_CCTEST_COMPILER_CODEGEN_TESTER_H_
 
 #include "src/v8.h"
 
 #include "src/compiler/instruction-selector.h"
@@ skipping 14 matching lines @@
   MachineAssemblerTester(MachineType return_type, MachineType p0,
                          MachineType p1, MachineType p2, MachineType p3,
                          MachineType p4,
                          MachineOperatorBuilder::Flags flags =
                              MachineOperatorBuilder::Flag::kNoFlags)
       : HandleAndZoneScope(),
         CallHelper(
             main_isolate(),
             MakeMachineSignature(main_zone(), return_type, p0, p1, p2, p3, p4)),
         MachineAssembler(
-            new (main_zone()) Graph(main_zone()),
+            main_isolate(), new (main_zone()) Graph(main_zone()),
             MakeMachineSignature(main_zone(), return_type, p0, p1, p2, p3, p4),
             kMachPtr, flags) {}
 
   Node* LoadFromPointer(void* address, MachineType rep, int32_t offset = 0) {
     return this->Load(rep, this->PointerConstant(address),
                       this->Int32Constant(offset));
   }
 
   void StoreToPointer(void* address, MachineType rep, Node* node) {
     this->Store(rep, this->PointerConstant(address), node);
@@ skipping 15 matching lines @@
   }
 
   void GenerateCode() { Generate(); }
 
  protected:
   virtual byte* Generate() {
     if (code_.is_null()) {
       Schedule* schedule = this->Export();
       CallDescriptor* call_descriptor = this->call_descriptor();
       Graph* graph = this->graph();
-      code_ =
-          Pipeline::GenerateCodeForTesting(call_descriptor, graph, schedule);
+      code_ = Pipeline::GenerateCodeForTesting(this->isolate(), call_descriptor,
+                                               graph, schedule);
     }
     return this->code_.ToHandleChecked()->entry();
   }
 
  private:
   MaybeHandle<Code> code_;
 };
 
 
 template <typename ReturnType>
@@ skipping 247 matching lines @@
 
   void Run(RawMachineAssemblerTester<int32_t>* m);
   void RunLeft(RawMachineAssemblerTester<int32_t>* m);
   void RunRight(RawMachineAssemblerTester<int32_t>* m);
 };
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CCTEST_COMPILER_CODEGEN_TESTER_H_