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

src/arm/lithium-codegen-arm.cc

Index: src/arm/lithium-codegen-arm.cc
diff --git a/src/arm/lithium-codegen-arm.cc b/src/arm/lithium-codegen-arm.cc
index e1e35d251ec58c3172e6b696de0a6e0f3d352799..eab9f3d96271bff9e864cf46fd5caf0591520c81 100644
--- a/src/arm/lithium-codegen-arm.cc
+++ b/src/arm/lithium-codegen-arm.cc
@@ -2141,7 +2141,11 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
   // We use Factory::the_hole_value() on purpose instead of loading from the
   // root array to force relocation to be able to later patch with
   // the cached map.
-  __ mov(ip, Operand(factory()->the_hole_value()));
+  Handle<JSGlobalPropertyCell> cell =
+      isolate()->factory()->NewJSGlobalPropertyCell(

[Michael Starzinger, 2012/01/11 09:35:09]

Can we use factory() instead of isolate()->factory() here? Makes the line
shorter.

+          factory()->the_hole_value());
+  __ mov(ip, Operand(Handle<Object>(cell)));
+  __ ldr(ip, FieldMemOperand(ip, JSGlobalPropertyCell::kValueOffset));
   __ cmp(map, Operand(ip));
   __ b(ne, &cache_miss);
   // We use Factory::the_hole_value() on purpose instead of loading from the