Comment #18 on issue 4317 by [email protected]: @@isConcatSpreadable is ignored by Array.prototype.concat when the arguments are arrays
https://code.google.com/p/v8/issues/detail?id=4317#c18

The following revision refers to this bug:
https://chromium.googlesource.com/v8/v8.git/+/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57

commit cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57
Author: cbruni <[email protected]>
Date: Mon Sep 07 13:44:44 2015

Adding ElementsAccessor::Concat
- Moving parts of ArrayConcat from builtins.cc to the ElementsAccessor
- Removing ArrayConcat Runtime Function

BUG=v8:4317
LOG=N

Review URL: https://codereview.chromium.org/1330483003

Cr-Commit-Position: refs/heads/master@{#30619}

[modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/src/array.js [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/src/bootstrapper.cc [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/src/builtins.cc [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/src/elements.cc [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/src/elements.h [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/src/runtime/runtime-array.cc [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/src/runtime/runtime.h [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/test/mjsunit/array-natives-elements.js [modify] http://crrev.com/cbdb13533ee6c5fdd2ed5df41e70892cb25e5f57/test/test262-es6/test262-es6.status


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