| 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 1136daa4e9dacfe16b0543eccfd2f69c4d143e41..e0089e659049d3c78b63aef3437bff5a7ee104fb 100644
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| --- a/src/flag-definitions.h
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| +++ b/src/flag-definitions.h
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| @@ -349,8 +349,6 @@ 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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| -DEFINE_bool(new_string_add, true, "enable new string addition")
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| -
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|  // Profiler flags.
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|  DEFINE_int(frame_count, 1, "number of stack frames inspected by the profiler")
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|             // 0x1700 fits in the immediate field of an ARM instruction.
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| 
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