| 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 0b0332a0826e31027e772d03fbffb886985a3874..3b974ba6470c61f234387e5577294415ef399877 100644
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| --- a/src/flag-definitions.h
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| +++ b/src/flag-definitions.h
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| @@ -205,6 +205,7 @@ DEFINE_bool(trap_on_deopt, false, "put a break point before deoptimizing")
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|  DEFINE_bool(deoptimize_uncommon_cases, true, "deoptimize uncommon cases")
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|  DEFINE_bool(polymorphic_inlining, true, "polymorphic inlining")
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|  DEFINE_bool(use_osr, true, "use on-stack replacement")
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| +DEFINE_bool(idefs, false, "use informative definitions")
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|  DEFINE_bool(array_bounds_checks_elimination, true,
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|              "perform array bounds checks elimination")
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|  DEFINE_bool(array_index_dehoisting, true,
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| 
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