Reimplement dynamic frame alignment for frames that are compiled via OSR or have more than 2 double…

src/hydrogen.h

 // Copyright 2012 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 318 matching lines @@
   }
 
   ZoneList<HUnknownOSRValue*>* osr_values() {
     return osr_values_.get();
   }
 
   void set_osr_values(ZoneList<HUnknownOSRValue*>* values) {
     osr_values_.set(values);
   }
 
+  void MarkRecursive() {
+    is_recursive_ = true;
+  }
+
+  bool is_recursive() const {
+    return is_recursive_;
+  }
+
  private:
   void Postorder(HBasicBlock* block,
                  BitVector* visited,
                  ZoneList<HBasicBlock*>* order,
                  HBasicBlock* loop_header);
   void PostorderLoopBlocks(HLoopInformation* loop,
                            BitVector* visited,
                            ZoneList<HBasicBlock*>* order,
                            HBasicBlock* loop_header);
   HConstant* GetConstant(SetOncePointer<HConstant>* pointer,
@@ skipping 26 matching lines @@
   SetOncePointer<HConstant> constant_true_;
   SetOncePointer<HConstant> constant_false_;
   SetOncePointer<HConstant> constant_hole_;
   SetOncePointer<HArgumentsObject> arguments_object_;
 
   SetOncePointer<HBasicBlock> osr_loop_entry_;
   SetOncePointer<ZoneList<HUnknownOSRValue*> > osr_values_;
 
   Zone* zone_;
 
+  bool is_recursive_;
+
   DISALLOW_COPY_AND_ASSIGN(HGraph);
 };
 
 
 Zone* HBasicBlock::zone() const { return graph_->zone(); }
 
 
 // Type of stack frame an environment might refer to.
 enum FrameType { JS_FUNCTION, JS_CONSTRUCT, ARGUMENTS_ADAPTOR };
 
@@ skipping 1026 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_