Reland "Add out-of-line constant pool support to Arm."

src/a64/assembler-a64.cc

Index: src/a64/assembler-a64.cc
diff --git a/src/a64/assembler-a64.cc b/src/a64/assembler-a64.cc
index a571741f7b2647359f2686de31e986ed917f77ed..042b544af162b9f1510ea2dec05d76fa74f8b133 100644
--- a/src/a64/assembler-a64.cc
+++ b/src/a64/assembler-a64.cc
@@ -2795,6 +2795,19 @@ void Assembler::RecordConstPool(int size) {
 }
 
 
+MaybeObject* Assembler::AllocateConstantPool(Heap* heap) {
+  // No out-of-line constant pool support.
+  UNREACHABLE();
+  return NULL;
+}
+
+
+void Assembler::PopulateConstantPool(ConstantPoolArray* constant_pool) {
+  // No out-of-line constant pool support.
+  UNREACHABLE();
+}
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64