Ensure we can reliably check the cell for validity of global property

src/ic/handler-compiler.h

Index: src/ic/handler-compiler.h
diff --git a/src/ic/handler-compiler.h b/src/ic/handler-compiler.h
index bd3f788e38cb6918cdacef5887af06e7f68e8fa3..8ab46e60843d6cb624bbca83d5a1f5d5f276c576 100644
--- a/src/ic/handler-compiler.h
+++ b/src/ic/handler-compiler.h
@@ -95,7 +95,7 @@ class PropertyHandlerCompiler : public PropertyAccessCompiler {
   Register CheckPrototypes(Register object_reg, Register holder_reg,
                            Register scratch1, Register scratch2,
                            Handle<Name> name, Label* miss,
-                           PrototypeCheckType check = CHECK_ALL_MAPS);
+                           PrototypeCheckType check);
 
   Handle<Code> GetCode(Code::Kind kind, Code::StubType type, Handle<Name> name);
   void set_holder(Handle<JSObject> holder) { holder_ = holder; }
@@ -138,8 +138,7 @@ class NamedLoadHandlerCompiler : public PropertyHandlerCompiler {
   Handle<Code> CompileLoadViaGetter(Handle<Name> name, int accessor_index,
                                     int expected_arguments);
 
-  Handle<Code> CompileLoadGlobal(Handle<PropertyCell> cell, Handle<Name> name,
-                                 bool is_configurable);
+  Handle<Code> CompileLoadGlobal(Handle<PropertyCell> cell, Handle<Name> name);
 
   // Static interface
   static Handle<Code> ComputeLoadNonexistent(Handle<Name> name,