Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

src/x87/code-stubs-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 2417 matching lines @@
 void BinaryOpICWithAllocationSiteStub::Generate(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- edx    : left
   //  -- eax    : right
   //  -- esp[0] : return address
   // -----------------------------------
 
   // Load ecx with the allocation site.  We stick an undefined dummy value here
   // and replace it with the real allocation site later when we instantiate this
   // stub in BinaryOpICWithAllocationSiteStub::GetCodeCopyFromTemplate().
-  __ mov(ecx, handle(isolate()->heap()->undefined_value()));
+  __ mov(ecx, isolate()->factory()->undefined_value());
 
   // Make sure that we actually patched the allocation site.
   if (FLAG_debug_code) {
     __ test(ecx, Immediate(kSmiTagMask));
     __ Assert(not_equal, kExpectedAllocationSite);
     __ cmp(FieldOperand(ecx, HeapObject::kMapOffset),
            isolate()->factory()->allocation_site_map());
     __ Assert(equal, kExpectedAllocationSite);
   }
 
@@ skipping 2936 matching lines @@
                            kStackUnwindSpace, nullptr, return_value_operand,
                            NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87