Merge bleeding edge up to 8774 into the GC branch.

src/type-info.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 12 matching lines @@
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #ifndef V8_TYPE_INFO_H_
 #define V8_TYPE_INFO_H_
 
 #include "allocation.h"
 #include "globals.h"
-#include "zone.h"
 #include "zone-inl.h"
 
 namespace v8 {
 namespace internal {
 
 const int kMaxKeyedPolymorphism = 4;
 
 //         Unknown
 //           |   \____________
 //           |                |
@@ skipping 188 matching lines @@
                                  Handle<String> name,
                                  CallKind call_kind);
   void CollectKeyedReceiverTypes(unsigned ast_id,
                                  ZoneMapList* types);
 
   CheckType GetCallCheckType(Call* expr);
   Handle<JSObject> GetPrototypeForPrimitiveCheck(CheckType check);
 
   bool LoadIsBuiltin(Property* expr, Builtins::Name id);
 
+  // TODO(1571) We can't use ToBooleanStub::Types as the return value because
+  // of various cylces in our headers. Death to tons of implementations in
+  // headers!! :-P
+  byte ToBooleanTypes(unsigned ast_id);
+
   // Get type information for arithmetic operations and compares.
   TypeInfo UnaryType(UnaryOperation* expr);
   TypeInfo BinaryType(BinaryOperation* expr);
   TypeInfo CompareType(CompareOperation* expr);
   bool IsSymbolCompare(CompareOperation* expr);
   TypeInfo SwitchType(CaseClause* clause);
   TypeInfo IncrementType(CountOperation* expr);
 
  private:
   ZoneMapList* CollectReceiverTypes(unsigned ast_id,
@@ skipping 17 matching lines @@
 
   Handle<Context> global_context_;
   Handle<NumberDictionary> dictionary_;
 
   DISALLOW_COPY_AND_ASSIGN(TypeFeedbackOracle);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_TYPE_INFO_H_