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<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>208323</bug_id>
          
          <creation_ts>2020-02-27 09:06:16 -0800</creation_ts>
          <short_desc>REGRESSION (r257391-257396): [ iOS ] imported/w3c/web-platform-tests/html/browsers/browsing-the-web/history-traversal/scroll-restoration-order.html is failing</short_desc>
          <delta_ts>2020-02-27 17:46:35 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>WebKit Nightly Build</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords>InRadar</keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Jacob Uphoff">jacob_uphoff</reporter>
          <assigned_to name="Ben Nham">nham</assigned_to>
          <cc>commit-queue</cc>
    
    <cc>nham</cc>
    
    <cc>webkit-bot-watchers-bugzilla</cc>
    
    <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1623517</commentid>
    <comment_count>0</comment_count>
    <who name="Jacob Uphoff">jacob_uphoff</who>
    <bug_when>2020-02-27 09:06:16 -0800</bug_when>
    <thetext>imported/w3c/web-platform-tests/html/browsers/browsing-the-web/history-traversal/scroll-restoration-order.html

This test is first seen to fail on r257396 and passed on r257390. 

This test is failing on release and debug for iOS 13.

History:

https://results.webkit.org/?suite=layout-tests&amp;test=imported%2Fw3c%2Fweb-platform-tests%2Fhtml%2Fbrowsers%2Fbrowsing-the-web%2Fhistory-traversal%2Fscroll-restoration-order.html

Diff:

-FAIL Traversing history should restore scroll position after dispatching popstate and before dispatching hashchange assert_array_approx_equals: scroll is restored before hashchange for #2 property 0, expected 100 +/- 1, expected 100 but got 555
+FAIL Traversing history should restore scroll position after dispatching popstate and before dispatching hashchange assert_not_equals: scroll is restored before popstate for #2 got disallowed value 100</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1623518</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2020-02-27 09:06:37 -0800</bug_when>
    <thetext>&lt;rdar://problem/59849043&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1623523</commentid>
    <comment_count>2</comment_count>
    <who name="Jacob Uphoff">jacob_uphoff</who>
    <bug_when>2020-02-27 09:16:53 -0800</bug_when>
    <thetext>https://trac.webkit.org/changeset/257394/webkit

This is the most likely commit to have caused the regression.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1623702</commentid>
    <comment_count>3</comment_count>
      <attachid>391926</attachid>
    <who name="Ben Nham">nham</who>
    <bug_when>2020-02-27 15:19:34 -0800</bug_when>
    <thetext>Created attachment 391926
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1623776</commentid>
    <comment_count>4</comment_count>
      <attachid>391926</attachid>
    <who name="Ryan Haddad">ryanhaddad</who>
    <bug_when>2020-02-27 17:01:55 -0800</bug_when>
    <thetext>Comment on attachment 391926
Patch

cq+&apos;ing since the test passed on the iOS bot.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1623818</commentid>
    <comment_count>5</comment_count>
      <attachid>391926</attachid>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2020-02-27 17:46:33 -0800</bug_when>
    <thetext>Comment on attachment 391926
Patch

Clearing flags on attachment: 391926

Committed r257608: &lt;https://trac.webkit.org/changeset/257608&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1623819</commentid>
    <comment_count>6</comment_count>
    <who name="WebKit Commit Bot">commit-queue</who>
    <bug_when>2020-02-27 17:46:35 -0800</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="1"
              isprivate="0"
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            <attachid>391926</attachid>
            <date>2020-02-27 15:19:34 -0800</date>
            <delta_ts>2020-02-27 17:46:33 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-208323-20200227151933.patch</filename>
            <type>text/plain</type>
            <size>2474</size>
            <attacher name="Ben Nham">nham</attacher>
            
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