| Index: src/x64/full-codegen-x64.cc
 | 
| ===================================================================
 | 
| --- src/x64/full-codegen-x64.cc	(revision 4722)
 | 
| +++ src/x64/full-codegen-x64.cc	(working copy)
 | 
| @@ -1010,6 +1010,7 @@
 | 
|    __ push(rax);  // Map.
 | 
|    __ push(rdx);  // Enumeration cache.
 | 
|    __ movq(rax, FieldOperand(rdx, FixedArray::kLengthOffset));
 | 
| +  __ Integer32ToSmi(rax, rax);
 | 
|    __ push(rax);  // Enumeration cache length (as smi).
 | 
|    __ Push(Smi::FromInt(0));  // Initial index.
 | 
|    __ jmp(&loop);
 | 
| @@ -1019,6 +1020,7 @@
 | 
|    __ Push(Smi::FromInt(0));  // Map (0) - force slow check.
 | 
|    __ push(rax);
 | 
|    __ movq(rax, FieldOperand(rax, FixedArray::kLengthOffset));
 | 
| +  __ Integer32ToSmi(rax, rax);
 | 
|    __ push(rax);  // Fixed array length (as smi).
 | 
|    __ Push(Smi::FromInt(0));  // Initial index.
 | 
|  
 | 
| 
 |