[heap] Avoid the use of cells to point from code to new-space objects.

src/arm/macro-assembler-arm.cc

Index: src/arm/macro-assembler-arm.cc
diff --git a/src/arm/macro-assembler-arm.cc b/src/arm/macro-assembler-arm.cc
index 2c06e1ea74ae0472f93b2b76f2fbee1745bf5593..f3a333e35b6723b38360f503f92528fe00c849f2 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -246,18 +246,11 @@ void MacroAssembler::Push(Handle<Object> handle) {
 
 
 void MacroAssembler::Move(Register dst, Handle<Object> value) {
-  AllowDeferredHandleDereference smi_check;
   if (value->IsSmi()) {
     mov(dst, Operand(value));
   } else {
     DCHECK(value->IsHeapObject());
-    if (isolate()->heap()->InNewSpace(*value)) {
-      Handle<Cell> cell = isolate()->factory()->NewCell(value);
-      mov(dst, Operand(cell));
-      ldr(dst, FieldMemOperand(dst, Cell::kValueOffset));
-    } else {
-      mov(dst, Operand(value));
-    }
+    mov(dst, Operand(value));
   }
 }