Fix bug introduced by r13960.

src/lithium-allocator.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 518 matching lines @@
 
   // Find a lifetime position in the interval [start, end] which
   // is optimal for splitting: it is either header of the outermost
   // loop covered by this interval or the latest possible position.
   LifetimePosition FindOptimalSplitPos(LifetimePosition start,
                                        LifetimePosition end);
 
   // Spill the given life range after position pos.
   void SpillAfter(LiveRange* range, LifetimePosition pos);
 
-  // Spill the given life range after position start and up to position end.
+  // Spill the given life range after position [start] and up to position [end].
   void SpillBetween(LiveRange* range,
                     LifetimePosition start,
                     LifetimePosition end);
 
+  // Spill the given life range after position [start] and up to position [end].
+  // Range is guaranteed to be spilled at least until position [until].
+  void SpillBetweenUntil(LiveRange* range,
+                         LifetimePosition start,
+                         LifetimePosition util,

[Sven Panne, 2013/04/16 06:52:12]

Throw in an 'n'... ;-)

+                         LifetimePosition end);
+
   void SplitAndSpillIntersecting(LiveRange* range);
 
   // If we are trying to spill a range inside the loop try to
   // hoist spill position out to the point just before the loop.
   LifetimePosition FindOptimalSpillingPos(LiveRange* range,
                                           LifetimePosition pos);
 
   void Spill(LiveRange* range);
   bool IsBlockBoundary(LifetimePosition pos);
 
@@ skipping 64 matching lines @@
   BitVector* assigned_registers_;
   BitVector* assigned_double_registers_;
 
   HGraph* graph_;
 
   bool has_osr_entry_;
 
   // Indicates success or failure during register allocation.
   bool allocation_ok_;
 
+#ifdef DEBUG
+  LifetimePosition allocation_finger_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(LAllocator);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LITHIUM_ALLOCATOR_H_