Handlify code allocation.

src/arm64/assembler-arm64.cc

Index: src/arm64/assembler-arm64.cc
diff --git a/src/arm64/assembler-arm64.cc b/src/arm64/assembler-arm64.cc
index 5695623afd54e033ca6ec9ebfb349cef159b14c4..eec0146f037bb6979b9e9614862ea9df0623aeb0 100644
--- a/src/arm64/assembler-arm64.cc
+++ b/src/arm64/assembler-arm64.cc
@@ -2804,16 +2804,17 @@ void Assembler::RecordConstPool(int size) {
 }
 
 
-MaybeObject* Assembler::AllocateConstantPool(Heap* heap) {
+Handle<ConstantPoolArray> Assembler::NewConstantPool(Isolate* isolate) {
   // No out-of-line constant pool support.
-  UNREACHABLE();
-  return NULL;
+  ASSERT(!FLAG_enable_ool_constant_pool);
+  return isolate->factory()->empty_constant_pool_array();
 }
 
 
 void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) {
   // No out-of-line constant pool support.
-  UNREACHABLE();
+  ASSERT(!FLAG_enable_ool_constant_pool);
+  return;
 }