| Index: src/hydrogen.cc
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| diff --git a/src/hydrogen.cc b/src/hydrogen.cc
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| index 0ca78f3da9a53b6fd44de6feb4141f2969ca05bb..4389bfe78ab391c44a24a8ab36874e57968046cf 100644
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| --- a/src/hydrogen.cc
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| +++ b/src/hydrogen.cc
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| @@ -8655,6 +8655,11 @@ bool HOptimizedGraphBuilder::TryInlineApiCall(Handle<JSFunction> function,
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|    CallOptimization optimization(function);
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|    if (!optimization.is_simple_api_call()) return false;
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|    Handle<Map> holder_map;
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| +  for (int i = 0; i < receiver_maps->length(); ++i) {
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| +    auto map = receiver_maps->at(i);
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| +    // Don't inline calls to receivers requiring accesschecks.
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| +    if (map->is_access_check_needed()) return false;
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| +  }
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|    if (call_type == kCallApiFunction) {
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|      // Cannot embed a direct reference to the global proxy map
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|      // as it maybe dropped on deserialization.
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| 
 |