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

src/ast/ast-numbering.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-numbering.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/compiler.h"
 #include "src/objects-inl.h"
@@ skipping 19 matching lines @@
   }
 
   bool Renumber(FunctionLiteral* node);
 
  private:
 // AST node visitor interface.
 #define DEFINE_VISIT(type) void Visit##type(type* node);
   AST_NODE_LIST(DEFINE_VISIT)
 #undef DEFINE_VISIT
 
+  void VisitVariableProxy(VariableProxy* node, TypeofMode typeof_mode);
   void VisitVariableProxyReference(VariableProxy* node);
   void VisitPropertyReference(Property* node);
   void VisitReference(Expression* expr);
 
   void VisitStatementsAndDeclarations(Block* node);
   void VisitStatements(ZoneList<Statement*>* statements);
   void VisitDeclarations(Declaration::List* declarations);
   void VisitArguments(ZoneList<Expression*>* arguments);
   void VisitLiteralProperty(LiteralProperty* property);
 
@@ skipping 130 matching lines @@
       break;
     case VariableLocation::MODULE:
       DisableFullCodegenAndCrankshaft(kReferenceToModuleVariable);
       break;
     default:
       break;
   }
   node->set_base_id(ReserveIdRange(VariableProxy::num_ids()));
 }
 
+void AstNumberingVisitor::VisitVariableProxy(VariableProxy* node,
+                                             TypeofMode typeof_mode) {
+  VisitVariableProxyReference(node);
+  node->AssignFeedbackVectorSlots(properties_.get_spec(), typeof_mode,
+                                  &slot_cache_);
+}
 
 void AstNumberingVisitor::VisitVariableProxy(VariableProxy* node) {
-  VisitVariableProxyReference(node);
-  ReserveFeedbackSlots(node);
+  VisitVariableProxy(node, NOT_INSIDE_TYPEOF);
 }
 
 
 void AstNumberingVisitor::VisitThisFunction(ThisFunction* node) {
   IncrementNodeCount();
   node->set_base_id(ReserveIdRange(ThisFunction::num_ids()));
 }
 
 
 void AstNumberingVisitor::VisitSuperPropertyReference(
@@ skipping 41 matching lines @@
 void AstNumberingVisitor::VisitThrow(Throw* node) {
   IncrementNodeCount();
   node->set_base_id(ReserveIdRange(Throw::num_ids()));
   Visit(node->exception());
 }
 
 
 void AstNumberingVisitor::VisitUnaryOperation(UnaryOperation* node) {
   IncrementNodeCount();
   node->set_base_id(ReserveIdRange(UnaryOperation::num_ids()));
-  Visit(node->expression());
+  if ((node->op() == Token::TYPEOF) && node->expression()->IsVariableProxy()) {
+    VariableProxy* proxy = node->expression()->AsVariableProxy();
+    VisitVariableProxy(proxy, INSIDE_TYPEOF);
+  } else {
+    Visit(node->expression());
+  }
 }
 
 
 void AstNumberingVisitor::VisitCountOperation(CountOperation* node) {
   IncrementNodeCount();
   node->set_base_id(ReserveIdRange(CountOperation::num_ids()));
   Visit(node->expression());
   ReserveFeedbackSlots(node);
 }
 
@@ skipping 436 matching lines @@
     Compiler::EagerInnerFunctionLiterals* eager_literals) {
   DisallowHeapAllocation no_allocation;
   DisallowHandleAllocation no_handles;
   DisallowHandleDereference no_deref;
 
   AstNumberingVisitor visitor(stack_limit, zone, eager_literals);
   return visitor.Renumber(function);
 }
 }  // namespace internal
 }  // namespace v8