Make whether or not a Code object should be created by masm explicit

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 20 matching lines @@
 UnaryMathFunctionWithIsolate CreateExpFunction(Isolate* isolate) {
   // Use the Math.exp implemetation in MathExpGenerator::EmitMathExp() to create
   // an AAPCS64-compliant exp() function. This will be faster than the C
   // library's exp() function, but probably less accurate.
   size_t actual_size;
   byte* buffer =
       static_cast<byte*>(base::OS::Allocate(1 * KB, &actual_size, true));
   if (buffer == nullptr) return nullptr;
 
   ExternalReference::InitializeMathExpData();
-  MacroAssembler masm(nullptr, buffer, static_cast<int>(actual_size));
+  MacroAssembler masm(isolate, buffer, static_cast<int>(actual_size), false);
   masm.SetStackPointer(csp);
 
   // The argument will be in d0 on entry.
   DoubleRegister input = d0;
   // Use other caller-saved registers for all other values.
   DoubleRegister result = d1;
   DoubleRegister double_temp1 = d2;
   DoubleRegister double_temp2 = d3;
   Register temp1 = x10;
   Register temp2 = x11;
@@ skipping 577 matching lines @@
 
   __ Bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64