[Webkit-unassigned] [Bug 157968] REGRESSION(r199075): String.prototype.replace fails after being used many times with different replace values

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Fri May 20 21:42:20 PDT 2016


Joseph Pecoraro <joepeck at webkit.org> changed:

           What    |Removed                     |Added
                 CC|                            |sbarati at apple.com
            Summary|REGRESSION(?):              |REGRESSION(r199075):
                   |String.prototype.replace    |String.prototype.replace
                   |fails used many times with  |fails after being used many
                   |different replace values    |times with different
                   |                            |replace values

--- Comment #2 from Joseph Pecoraro <joepeck at webkit.org> ---
Bisection results: <http://trac.webkit.org/log/trunk/?rev=199084&stop_rev=199073>

Most likely culprit is:

  DFG and FTL should constant-fold RegExpExec, RegExpTest, and StringReplace

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