Squeeze the layout of expression nodes a bit.

src/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.h"
 
 #include <cmath>  // For isfinite.
 #include "src/builtins.h"
 #include "src/code-stubs.h"
 #include "src/contexts.h"
@@ skipping 542 matching lines @@
 }
 
 
 // ----------------------------------------------------------------------------
 // Recording of type feedback
 
 // TODO(rossberg): all RecordTypeFeedback functions should disappear
 // once we use the common type field in the AST consistently.
 
 void Expression::RecordToBooleanTypeFeedback(TypeFeedbackOracle* oracle) {
-  to_boolean_types_ = oracle->ToBooleanTypes(test_id());
+  set_to_boolean_types(oracle->ToBooleanTypes(test_id()));
 }
 
 
 bool Call::IsUsingCallFeedbackSlot(Isolate* isolate) const {
   CallType call_type = GetCallType(isolate);
   return (call_type != POSSIBLY_EVAL_CALL);
 }
 
 
 Call::CallType Call::GetCallType(Isolate* isolate) const {
@@ skipping 563 matching lines @@
     SNPrintF(buffer, "%d", Smi::cast(*value())->value());
     str = arr;
   } else {
     str = DoubleToCString(value()->Number(), buffer);
   }
   return isolate_->factory()->NewStringFromAsciiChecked(str);
 }
 
 
 } }  // namespace v8::internal