Separate Cell and PropertyCell spaces

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 46e2c694e835cd23fe07730bdb3ebde56892205b..d74b7f10f3d3e66ed70d148ccc3235d7490c66ae 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -2357,8 +2357,7 @@ void MacroAssembler::LoadHeapObject(Register result,
                                     Handle<HeapObject> object) {
   AllowDeferredHandleDereference using_raw_address;
   if (isolate()->heap()->InNewSpace(*object)) {
-    Handle<JSGlobalPropertyCell> cell =
-        isolate()->factory()->NewJSGlobalPropertyCell(object);
+    Handle<Cell> cell = isolate()->factory()->NewCell(object);
     movq(result, cell, RelocInfo::GLOBAL_PROPERTY_CELL);
     movq(result, Operand(result, 0));
   } else {
@@ -2370,8 +2369,7 @@ void MacroAssembler::LoadHeapObject(Register result,
 void MacroAssembler::CmpHeapObject(Register reg, Handle<HeapObject> object) {
   AllowDeferredHandleDereference using_raw_address;
   if (isolate()->heap()->InNewSpace(*object)) {
-    Handle<JSGlobalPropertyCell> cell =
-        isolate()->factory()->NewJSGlobalPropertyCell(object);
+    Handle<Cell> cell = isolate()->factory()->NewCell(object);
     movq(kScratchRegister, cell, RelocInfo::GLOBAL_PROPERTY_CELL);
     cmpq(reg, Operand(kScratchRegister, 0));
   } else {
@@ -2383,8 +2381,7 @@ void MacroAssembler::CmpHeapObject(Register reg, Handle<HeapObject> object) {
 void MacroAssembler::PushHeapObject(Handle<HeapObject> object) {
   AllowDeferredHandleDereference using_raw_address;
   if (isolate()->heap()->InNewSpace(*object)) {
-    Handle<JSGlobalPropertyCell> cell =
-        isolate()->factory()->NewJSGlobalPropertyCell(object);
+    Handle<Cell> cell = isolate()->factory()->NewCell(object);
     movq(kScratchRegister, cell, RelocInfo::GLOBAL_PROPERTY_CELL);
     movq(kScratchRegister, Operand(kScratchRegister, 0));
     push(kScratchRegister);
@@ -2394,8 +2391,7 @@ void MacroAssembler::PushHeapObject(Handle<HeapObject> object) {
 }
 
 
-void MacroAssembler::LoadGlobalCell(Register dst,
-                                    Handle<JSGlobalPropertyCell> cell) {
+void MacroAssembler::LoadGlobalCell(Register dst, Handle<Cell> cell) {
   if (dst.is(rax)) {
     AllowDeferredHandleDereference embedding_raw_address;
     load_rax(cell.location(), RelocInfo::GLOBAL_PROPERTY_CELL);