Change inlined cache of intanceof stub to use indirection through cell.

src/x64/lithium-codegen-x64.cc

Index: src/x64/lithium-codegen-x64.cc
diff --git a/src/x64/lithium-codegen-x64.cc b/src/x64/lithium-codegen-x64.cc
index 6239acb51531d1f39ecfd1e247315736e82c3e29..f10cf8529af2c3aa7fd898a5c6ffc42cfb0825bf 100644
--- a/src/x64/lithium-codegen-x64.cc
+++ b/src/x64/lithium-codegen-x64.cc
@@ -1897,9 +1897,10 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
   Register map = ToRegister(instr->TempAt(0));
   __ movq(map, FieldOperand(object, HeapObject::kMapOffset));
   __ bind(deferred->map_check());  // Label for calculating code patching.
-  __ movq(kScratchRegister, factory()->the_hole_value(),
-          RelocInfo::EMBEDDED_OBJECT);
-  __ cmpq(map, kScratchRegister);  // Patched to cached map.
+  Handle<JSGlobalPropertyCell> cache_cell =
+      factory()->NewJSGlobalPropertyCell(factory()->the_hole_value());
+  __ movq(kScratchRegister, cache_cell, RelocInfo::GLOBAL_PROPERTY_CELL);
+  __ cmpq(map, Operand(kScratchRegister, 0));
   __ j(not_equal, &cache_miss, Label::kNear);
   // Patched to load either true or false.
   __ LoadRoot(ToRegister(instr->result()), Heap::kTheHoleValueRootIndex);