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Guard @@isConcatSpreadable behind a flag
The breakage to Chrome seems to be based on @@isConcatSpreadable and turning that part off with this patch fixes the Maps Tips & Tricks test case. BUG=chromium:507553 LOG=Y R=adamk Review URL: https://codereview.chromium.org/1226063002 Cr-Commit-Position: refs/heads/master@{#29545}
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,16 @@ | ||
// Copyright 2015 the V8 project authors. All rights reserved. | ||
// Use of this source code is governed by a BSD-style license that can be | ||
// found in the LICENSE file. | ||
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(function(global, utils) { | ||
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'use strict'; | ||
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%CheckIsBootstrapping(); | ||
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utils.InstallConstants(global.Symbol, [ | ||
// TODO(littledan): Move to symbol.js when shipping | ||
"isConcatSpreadable", symbolIsConcatSpreadable | ||
]); | ||
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}) |
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