| Index: src/flag-definitions.h
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| diff --git a/src/flag-definitions.h b/src/flag-definitions.h
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| index 5fc5d880b3e236e559451fa1939cd66f289255a7..fe5d8e419e116871f818e8c4ff06f1e059be5177 100644
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| --- a/src/flag-definitions.h
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| +++ b/src/flag-definitions.h
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| @@ -309,9 +309,6 @@ DEFINE_int(parallel_recompilation_queue_length, 8,
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|             "the length of the parallel compilation queue")
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|  DEFINE_int(parallel_recompilation_delay, 0,
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|             "artificial compilation delay in ms")
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| -DEFINE_bool(omit_prototype_checks_for_leaf_maps, true,
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| -            "do not emit prototype checks if all prototypes have leaf maps, "
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| -            "deoptimize the optimized code if the layout of the maps changes.")
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|  DEFINE_bool(omit_map_checks_for_leaf_maps, true,
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|              "do not emit check maps for constant values that have a leaf map, "
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|              "deoptimize the optimized code if the layout of the maps changes.")
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| 
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