Merged r16139 into trunk branch.

src/hydrogen-gvn.h

 // Copyright 2013 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 30 matching lines @@
  public:
   explicit HGlobalValueNumberingPhase(HGraph* graph);
 
   void Run() {
     Analyze();
     // Trigger a second analysis pass to further eliminate duplicate values
     // that could only be discovered by removing side-effect-generating
     // instructions during the first pass.
     if (FLAG_smi_only_arrays && removed_side_effects_) {
       Analyze();
-      ASSERT(!removed_side_effects_);
+      // TODO(danno): Turn this into a fixpoint iteration.
     }
   }
 
  private:
   void Analyze();
   GVNFlagSet CollectSideEffectsOnPathsToDominatedBlock(
       HBasicBlock* dominator,
       HBasicBlock* dominated);
   void AnalyzeGraph();
   void ComputeBlockSideEffects();
@@ skipping 18 matching lines @@
   // dominated.
   BitVector visited_on_paths_;
 
   DISALLOW_COPY_AND_ASSIGN(HGlobalValueNumberingPhase);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_GVN_H_