Revert of [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 413732385fb553ecd55a909891b57b8d5396f3c9..d8df4cda5cfcb4bdf2b5f37ff6a4626ae5de4352 100644
--- a/src/arm/macro-assembler-arm.cc
+++ b/src/arm/macro-assembler-arm.cc
@@ -240,11 +240,18 @@
 
 
 void MacroAssembler::Move(Register dst, Handle<Object> value) {
+  AllowDeferredHandleDereference smi_check;
   if (value->IsSmi()) {
     mov(dst, Operand(value));
   } else {
     DCHECK(value->IsHeapObject());
-    mov(dst, Operand(value));
+    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));
+    }
   }
 }