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

test/cctest/test-assembler-arm64.cc

Index: test/cctest/test-assembler-arm64.cc
diff --git a/test/cctest/test-assembler-arm64.cc b/test/cctest/test-assembler-arm64.cc
index 74ab84626ba3291735cfd14063af3fad1daf069f..9edc9d5fec9cec4e1027414b49417da86ad52023 100644
--- a/test/cctest/test-assembler-arm64.cc
+++ b/test/cctest/test-assembler-arm64.cc
@@ -117,16 +117,16 @@ static void InitializeVM() {
 #ifdef USE_SIMULATOR
 
 // Run tests with the simulator.
-#define SETUP_SIZE(buf_size)                    \
-  Isolate* isolate = CcTest::i_isolate();       \
-  HandleScope scope(isolate);                   \
-  DCHECK(isolate != NULL);                      \
-  byte* buf = new byte[buf_size];               \
-  MacroAssembler masm(isolate, buf, buf_size);  \
-  Decoder<DispatchingDecoderVisitor>* decoder = \
-      new Decoder<DispatchingDecoderVisitor>(); \
-  Simulator simulator(decoder);                 \
-  PrintDisassembler* pdis = NULL;               \
+#define SETUP_SIZE(buf_size)                         \
+  Isolate* isolate = CcTest::i_isolate();            \
+  HandleScope scope(isolate);                        \
+  DCHECK(isolate != NULL);                           \
+  byte* buf = new byte[buf_size];                    \
+  MacroAssembler masm(isolate, buf, buf_size, true); \
+  Decoder<DispatchingDecoderVisitor>* decoder =      \
+      new Decoder<DispatchingDecoderVisitor>();      \
+  Simulator simulator(decoder);                      \
+  PrintDisassembler* pdis = NULL;                    \
   RegisterDump core;
 
 /*  if (Cctest::trace_sim()) {                                                 \
@@ -171,12 +171,12 @@ static void InitializeVM() {
 
 #else  // ifdef USE_SIMULATOR.
 // Run the test on real hardware or models.
-#define SETUP_SIZE(buf_size)                   \
-  Isolate* isolate = CcTest::i_isolate();      \
-  HandleScope scope(isolate);                  \
-  DCHECK(isolate != NULL);                     \
-  byte* buf = new byte[buf_size];              \
-  MacroAssembler masm(isolate, buf, buf_size); \
+#define SETUP_SIZE(buf_size)                         \
+  Isolate* isolate = CcTest::i_isolate();            \
+  HandleScope scope(isolate);                        \
+  DCHECK(isolate != NULL);                           \
+  byte* buf = new byte[buf_size];                    \
+  MacroAssembler masm(isolate, buf, buf_size, true); \
   RegisterDump core;
 
 #define RESET()                                                                \