| Index: src/harmony-array.js
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| diff --git a/src/harmony-array.js b/src/harmony-array.js
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| index 06fada7581db15aa7f576f9f9c615d8e1053e66c..c7332fc75ed418c930846d8416110f6cea2bf73b 100644
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| --- a/src/harmony-array.js
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| +++ b/src/harmony-array.js
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| @@ -142,6 +142,17 @@ function ArrayOf() {
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|  
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|  // -------------------------------------------------------------------
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|  
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| +function HarmonyArrayExtendSymbolPrototype() {
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| +  %CheckIsBootstrapping();
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| +
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| +  InstallConstants($Symbol, $Array(
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| +    // TODO(dslomov, caitp): Move to symbol.js when shipping
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| +   "isConcatSpreadable", symbolIsConcatSpreadable
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| +  ));
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| +}
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| +
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| +HarmonyArrayExtendSymbolPrototype();
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| +
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|  function HarmonyArrayExtendArrayPrototype() {
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|    %CheckIsBootstrapping();
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|  
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| 
 |