[compiler] Stop delegating CompilationInfo::context.

src/compiler/code-generator.cc

 // Copyright 2013 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/compiler/code-generator.h"
 
 #include "src/address-map.h"
 #include "src/base/adapters.h"
 #include "src/compilation-info.h"
 #include "src/compiler/code-generator-impl.h"
@@ skipping 266 matching lines @@
     } else if (operand.IsRegister() && (kind & Safepoint::kWithRegisters)) {
       Register reg = LocationOperand::cast(operand).GetRegister();
       safepoint.DefinePointerRegister(reg, zone());
     }
   }
 }
 
 bool CodeGenerator::IsMaterializableFromFrame(Handle<HeapObject> object,
                                               int* slot_return) {
   if (linkage()->GetIncomingDescriptor()->IsJSFunctionCall()) {
-    if (object.is_identical_to(info()->context()) && !info()->is_osr()) {
+    if (*object == info()->context() && !info()->is_osr()) {
       *slot_return = Frame::kContextSlot;
       return true;
     } else if (object.is_identical_to(info()->closure())) {
       *slot_return = Frame::kJSFunctionSlot;
       return true;
     }
   }
   return false;
 }
 
@@ skipping 643 matching lines @@
     : frame_(gen->frame()), masm_(gen->masm()), next_(gen->ools_) {
   gen->ools_ = this;
 }
 
 
 OutOfLineCode::~OutOfLineCode() {}
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8