| Index: src/isolate.h
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| diff --git a/src/isolate.h b/src/isolate.h
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| index 7e6807b0a9d3a28538a21a57839419fbb286d7db..cac364c807bd92558d962c1a2930cbba3811f634 100644
 | 
| --- a/src/isolate.h
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| +++ b/src/isolate.h
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| @@ -362,7 +362,7 @@ typedef List<HeapObject*, PreallocatedStorage> DebugObjectCache;
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|    /* Serializer state. */                                                      \
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|    V(ExternalReferenceTable*, external_reference_table, NULL)                   \
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|    /* AstNode state. */                                                         \
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| -  V(unsigned, ast_node_id, 0)                                                  \
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| +  V(int, ast_node_id, 0)                                                       \
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|    V(unsigned, ast_node_count, 0)                                               \
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|    /* SafeStackFrameIterator activations count. */                              \
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|    V(int, safe_stack_iterator_counter, 0)                                       \
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| 
 |