| Index: src/code-stubs-hydrogen.cc
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| diff --git a/src/code-stubs-hydrogen.cc b/src/code-stubs-hydrogen.cc
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| index 9a9f0d5f126f7b5e0a446544537dfbaaab8b9f29..4ec8654eb20f9563df6e52a11ce8d241305180dd 100644
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| --- a/src/code-stubs-hydrogen.cc
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| +++ b/src/code-stubs-hydrogen.cc
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| @@ -36,10 +36,9 @@ namespace internal {
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|  
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|  
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|  static LChunk* OptimizeGraph(HGraph* graph) {
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| -  Isolate* isolate =  graph->isolate();
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| -  AssertNoAllocation no_gc;
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| -  NoHandleAllocation no_handles(isolate);
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| -  HandleDereferenceGuard no_deref(isolate, HandleDereferenceGuard::DISALLOW);
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| +  DisallowHeapAllocation no_allocation;
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| +  DisallowHandleAllocation no_handles;
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| +  DisallowHandleDereference no_deref;
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|  
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|    ASSERT(graph != NULL);
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|    SmartArrayPointer<char> bailout_reason;
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| 
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