Make FlushICache part of Assembler(Base) and take Isolate as parameter.

src/arm64/codegen-arm64.cc

 // 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.
 
 #include "src/arm64/codegen-arm64.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/arm64/simulator-arm64.h"
 #include "src/codegen.h"
@@ skipping 46 matching lines @@
                                 double_temp1, double_temp2,
                                 temp1, temp2, temp3);
   // Move the result to the return register.
   masm.Fmov(d0, result);
   masm.Ret();
 
   CodeDesc desc;
   masm.GetCode(&desc);
   DCHECK(!RelocInfo::RequiresRelocation(desc));
 
-  CpuFeatures::FlushICache(buffer, actual_size);
+  Assembler::FlushICacheWithoutIsolate(buffer, actual_size);
   base::OS::ProtectCode(buffer, actual_size);
 
 #if !defined(USE_SIMULATOR)
   return FUNCTION_CAST<UnaryMathFunction>(buffer);
 #else
   fast_exp_arm64_machine_code = buffer;
   return &fast_exp_simulator;
 #endif
 }
 
@@ skipping 553 matching lines @@
 
   __ Bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64