Rename A64 port to ARM64 port

src/isolate.h

Index: src/isolate.h
diff --git a/src/isolate.h b/src/isolate.h
index 0a2440425f18cbccc996c17312f7b0749763b65a..1f3361c93f5307e4f375c0e705ebc67329cd1d99 100644
--- a/src/isolate.h
+++ b/src/isolate.h
@@ -102,7 +102,7 @@ class DebuggerAgent;
 #endif
 
 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \
-    !defined(__aarch64__) && V8_TARGET_ARCH_A64 || \
+    !defined(__aarch64__) && V8_TARGET_ARCH_ARM64 || \
     !defined(__mips__) && V8_TARGET_ARCH_MIPS
 class Redirection;
 class Simulator;
@@ -310,7 +310,7 @@ class ThreadLocalTop BASE_EMBEDDED {
 
 
 #if V8_TARGET_ARCH_ARM && !defined(__arm__) || \
-    V8_TARGET_ARCH_A64 && !defined(__aarch64__) || \
+    V8_TARGET_ARCH_ARM64 && !defined(__aarch64__) || \
     V8_TARGET_ARCH_MIPS && !defined(__mips__)
 
 #define ISOLATE_INIT_SIMULATOR_LIST(V)                                         \
@@ -408,7 +408,7 @@ class Isolate {
           stack_limit_(0),
           thread_state_(NULL),
 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \
-    !defined(__aarch64__) && V8_TARGET_ARCH_A64 || \
+    !defined(__aarch64__) && V8_TARGET_ARCH_ARM64 || \
     !defined(__mips__) && V8_TARGET_ARCH_MIPS
           simulator_(NULL),
 #endif
@@ -422,7 +422,7 @@ class Isolate {
     FIELD_ACCESSOR(ThreadState*, thread_state)
 
 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \
-    !defined(__aarch64__) && V8_TARGET_ARCH_A64 || \
+    !defined(__aarch64__) && V8_TARGET_ARCH_ARM64 || \
     !defined(__mips__) && V8_TARGET_ARCH_MIPS
     FIELD_ACCESSOR(Simulator*, simulator)
 #endif
@@ -438,7 +438,7 @@ class Isolate {
     ThreadState* thread_state_;
 
 #if !defined(__arm__) && V8_TARGET_ARCH_ARM || \
-    !defined(__aarch64__) && V8_TARGET_ARCH_A64 || \
+    !defined(__aarch64__) && V8_TARGET_ARCH_ARM64 || \
     !defined(__mips__) && V8_TARGET_ARCH_MIPS
     Simulator* simulator_;
 #endif