Enable constant pool support.

src/arm64/assembler-arm64-inl.h

Index: src/arm64/assembler-arm64-inl.h
diff --git a/src/arm64/assembler-arm64-inl.h b/src/arm64/assembler-arm64-inl.h
index 7d8d81e38d73910b30888c0b235c5ee5c1df7201..205c25392072eecc9cf311a2e45df0858c52df7d 100644
--- a/src/arm64/assembler-arm64-inl.h
+++ b/src/arm64/assembler-arm64-inl.h
@@ -586,14 +586,13 @@ Address Assembler::target_pointer_address_at(Address pc) {
 
 
 // Read/Modify the code target address in the branch/call instruction at pc.
-Address Assembler::target_address_at(Address pc,
-                                     ConstantPoolArray* constant_pool) {
+Address Assembler::target_address_at(Address pc, Address constant_pool) {
   return Memory::Address_at(target_pointer_address_at(pc));
 }
 
 
 Address Assembler::target_address_at(Address pc, Code* code) {
-  ConstantPoolArray* constant_pool = code ? code->constant_pool() : NULL;
+  Address constant_pool = code ? code->constant_pool() : NULL;
   return target_address_at(pc, constant_pool);
 }
 
@@ -665,8 +664,7 @@ void Assembler::deserialization_set_target_internal_reference_at(
 }
 
 
-void Assembler::set_target_address_at(Address pc,
-                                      ConstantPoolArray* constant_pool,
+void Assembler::set_target_address_at(Address pc, Address constant_pool,
                                       Address target,
                                       ICacheFlushMode icache_flush_mode) {
   Memory::Address_at(target_pointer_address_at(pc)) = target;
@@ -685,7 +683,7 @@ void Assembler::set_target_address_at(Address pc,
                                       Code* code,
                                       Address target,
                                       ICacheFlushMode icache_flush_mode) {
-  ConstantPoolArray* constant_pool = code ? code->constant_pool() : NULL;
+  Address constant_pool = code ? code->constant_pool() : NULL;
   set_target_address_at(pc, constant_pool, target, icache_flush_mode);
 }