Allow bailing out of the register allocator when running out of virtual registers.

src/deoptimizer.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 252 matching lines @@
 
     int count_;
   };
 
   int ConvertJSFrameIndexToFrameIndex(int jsframe_index);
 
  private:
 #ifdef V8_TARGET_ARCH_MIPS
   static const int kNumberOfEntries = 4096;
 #else
-  static const int kNumberOfEntries = 8192;
+  static const int kNumberOfEntries = 16384;
 #endif
 
   Deoptimizer(Isolate* isolate,
               JSFunction* function,
               BailoutType type,
               unsigned bailout_id,
               Address from,
               int fp_to_sp_delta,
               Code* optimized_code);
   void DeleteFrameDescriptions();
@@ skipping 494 matching lines @@
   Object** expression_stack_;
   int source_position_;
 
   friend class Deoptimizer;
 };
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_DEOPTIMIZER_H_