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RESOLVED DUPLICATE of
bug 178834
178820
REGRESSION(
r223729
): Speedometer 2.0 React-Redux-TodoMVC throws TypeError: undefined is not an object (evaluating 'this.moveChild')
https://bugs.webkit.org/show_bug.cgi?id=178820
Summary
REGRESSION(r223729): Speedometer 2.0 React-Redux-TodoMVC throws TypeError: un...
Ryan Haddad
Reported
2017-10-25 11:57:05 PDT
Running Speedometer (181 of 181) ERROR: CONSOLE MESSAGE: line 1: TypeError: undefined is not an object (evaluating 'this.moveChild') FAILED Finished: 42.359004 s
https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK2%20%28Perf%29/builds/1473
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Ryan Haddad
Comment 1
2017-10-25 12:00:31 PDT
The last successful run was
r223712
:
https://build.webkit.org/builders/Apple%20El%20Capitan%20Release%20WK2%20%28Perf%29/builds/1472
Ryan Haddad
Comment 2
2017-10-25 12:10:43 PDT
It isn't clear to me from the error message what change caused this.
Ryan Haddad
Comment 3
2017-10-25 12:11:37 PDT
https://trac.webkit.org/log/webkit/?action=stop_on_copy&mode=stop_on_copy&rev=223930&stop_rev=223913&limit=100&verbose=on
Ryosuke Niwa
Comment 4
2017-10-25 12:29:55 PDT
Likely culprits:
https://trac.webkit.org/changeset/223715
https://trac.webkit.org/changeset/223720
Ryosuke Niwa
Comment 5
2017-10-25 12:41:05 PDT
223727: ok
Ryan Haddad
Comment 6
2017-10-25 12:59:08 PDT
(In reply to Ryan Haddad from
comment #3
)
>
https://trac.webkit.org/log/webkit/
> ?action=stop_on_copy&mode=stop_on_copy&rev=223930&stop_rev=223913&limit=100&v > erbose=on
Sorry for the confusion, this should have been:
https://trac.webkit.org/log/webkit/?action=stop_on_copy&mode=stop_on_copy&rev=223730&stop_rev=223713&limit=100&verbose=on
Ryosuke Niwa
Comment 7
2017-10-25 14:24:30 PDT
Confirmed the regression doesn't exist at
r223727
. "React-Redux-TodoMVC" is the one hitting this regression.
Ryosuke Niwa
Comment 8
2017-10-25 15:05:42 PDT
Hm.... in my local testing, I can't reproduce this at
r223728
. Re-bisecting.
Ryosuke Niwa
Comment 9
2017-10-25 15:12:47 PDT
Apparently, this is caused by
https://trac.webkit.org/changeset/223729
, which happens to enable the feature which was meant to be implemented by
https://trac.webkit.org/changeset/223691
Ryosuke Niwa
Comment 10
2017-10-25 15:19:13 PDT
The culprit was rolled out in
https://trac.webkit.org/changeset/223989
. *** This bug has been marked as a duplicate of
bug 178834
***
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