Introduce code stub constructors for stub keys.

src/ic/ic.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.
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/base/bits.h"
@@ skipping 531 matching lines @@
   SetTargetAtAddress(
       address, *pre_monomorphic_stub(
                    isolate, StoreIC::GetStrictMode(target->extra_ic_state())),
       constant_pool);
 }
 
 
 void CompareIC::Clear(Isolate* isolate, Address address, Code* target,
                       ConstantPoolArray* constant_pool) {
   DCHECK(CodeStub::GetMajorKey(target) == CodeStub::CompareIC);
-  CompareICStub stub(target->stub_key());
+  CompareICStub stub(target->stub_key(), isolate);
   // Only clear CompareICs that can retain objects.
   if (stub.state() != KNOWN_OBJECT) return;
   SetTargetAtAddress(address, GetRawUninitialized(isolate, stub.op()),
                      constant_pool);
   PatchInlinedSmiCode(address, DISABLE_INLINED_SMI_CHECK);
 }
 
 
 // static
 Handle<Code> KeyedLoadIC::generic_stub(Isolate* isolate) {
@@ skipping 2176 matching lines @@
       return Type::Any(zone);
   }
   UNREACHABLE();
   return NULL;
 }
 
 
 void CompareIC::StubInfoToType(uint32_t stub_key, Type** left_type,
                                Type** right_type, Type** overall_type,
                                Handle<Map> map, Zone* zone) {
-  CompareICStub stub(stub_key);
+  CompareICStub stub(stub_key, map->GetIsolate());
   *left_type = StateToType(zone, stub.left());
   *right_type = StateToType(zone, stub.right());
   *overall_type = StateToType(zone, stub.state(), map);
 }
 
 
 CompareIC::State CompareIC::NewInputState(State old_state,
                                           Handle<Object> value) {
   switch (old_state) {
     case UNINITIALIZED:
@@ skipping 92 matching lines @@
     case GENERIC:
       return GENERIC;
   }
   UNREACHABLE();
   return GENERIC;  // Make the compiler happy.
 }
 
 
 Code* CompareIC::UpdateCaches(Handle<Object> x, Handle<Object> y) {
   HandleScope scope(isolate());
-  CompareICStub old_stub(target()->stub_key());
+  CompareICStub old_stub(target()->stub_key(), isolate());
   State new_left = NewInputState(old_stub.left(), x);
   State new_right = NewInputState(old_stub.right(), y);
   State state = TargetState(old_stub.state(), old_stub.left(), old_stub.right(),
                             HasInlinedSmiCode(address()), x, y);
   CompareICStub stub(isolate(), op_, new_left, new_right, state);
   if (state == KNOWN_OBJECT) {
     stub.set_known_map(
         Handle<Map>(Handle<JSObject>::cast(x)->map(), isolate()));
   }
   Handle<Code> new_target = stub.GetCode();
@@ skipping 326 matching lines @@
 static const Address IC_utilities[] = {
 #define ADDR(name) FUNCTION_ADDR(name),
     IC_UTIL_LIST(ADDR) NULL
 #undef ADDR
 };
 
 
 Address IC::AddressFromUtilityId(IC::UtilityId id) { return IC_utilities[id]; }
 }
 }  // namespace v8::internal