[ic] Encode LoadGlobalIC's typeof mode in slot kind instead of code object's flags.

src/ast/ast.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/ast/ast.h"
 
 #include <cmath>  // For isfinite.
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 204 matching lines @@
 
 void VariableProxy::BindTo(Variable* var) {
   DCHECK((is_this() && var->is_this()) || raw_name() == var->raw_name());
   set_var(var);
   set_is_resolved();
   var->set_is_used();
   if (is_assigned()) var->set_maybe_assigned();
 }
 
 void VariableProxy::AssignFeedbackVectorSlots(FeedbackVectorSpec* spec,
-                                              LanguageMode language_mode,
+                                              TypeofMode typeof_mode,
                                               FeedbackVectorSlotCache* cache) {
   if (UsesVariableFeedbackSlot()) {
     // VariableProxies that point to the same Variable within a function can
     // make their loads from the same IC slot.
     if (var()->IsUnallocated() || var()->mode() == DYNAMIC_GLOBAL) {
-      ZoneHashMap::Entry* entry = cache->Get(var());
-      if (entry != NULL) {
-        variable_feedback_slot_ = FeedbackVectorSlot(
-            static_cast<int>(reinterpret_cast<intptr_t>(entry->value)));
+      FeedbackVectorSlot slot = cache->Get(typeof_mode, var());
+      if (!slot.IsInvalid()) {
+        variable_feedback_slot_ = slot;
         return;
       }
-      variable_feedback_slot_ = spec->AddLoadGlobalICSlot();
-      cache->Put(var(), variable_feedback_slot_);
+      variable_feedback_slot_ = spec->AddLoadGlobalICSlot(typeof_mode);
+      cache->Put(typeof_mode, var(), variable_feedback_slot_);
     } else {
       variable_feedback_slot_ = spec->AddLoadICSlot();
     }
   }
 }
 
 static void AssignVectorSlots(Expression* expr, FeedbackVectorSpec* spec,
                               LanguageMode language_mode,
                               FeedbackVectorSlot* out_slot) {
   Property* property = expr->AsProperty();
@@ skipping 856 matching lines @@
 const char* CallRuntime::debug_name() {
 #ifdef DEBUG
   return NameForNativeContextIntrinsicIndex(context_index_);
 #else
   return is_jsruntime() ? "(context function)" : function_->name;
 #endif  // DEBUG
 }
 
 }  // namespace internal
 }  // namespace v8