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hablich authored
Revert of [stubs] Port SubStringStub to TurboFan (patchset #8 id:140001 of https://codereview.chromium.org/2355793003/ ) Reason for revert: Speculative revert because of stability problems Original issue's description: > [stubs] Port SubStringStub to TurboFan > > This ports the platform-specific SubStringStub to TurboFan. > > It also contains a minor bug-fix for the case when the requested substring > length equals the subject string length, but the start index is not equal to 0. > The old stub implementation returned the subject string, while the new > implementation calls into runtime, which finally results in a thrown exception. > > BUG=v8:5415 > > Committed: https://crrev.com/49be31921536716706a6790fbbf9c346b975af16 > Cr-Commit-Position: refs/heads/master@{#39653} TBR=ishell@chromium.org,bmeurer@chromium.org,jgruber@chromium.org # Not skipping CQ checks because original CL landed more than 1 days ago. BUG=v8:5415, chromium:649967 NOPRESUBMIT=true NOTRY=true Review-Url: https://codereview.chromium.org/2365413002 Cr-Commit-Position: refs/heads/master@{#39737}
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