<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!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>301942</bug_id>
          
          <creation_ts>2025-11-04 09:06:39 -0800</creation_ts>
          <short_desc>REGRESSION(302495@main): Broke TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/* tests</short_desc>
          <delta_ts>2025-11-04 09:07:25 -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>NEW</bug_status>
          <resolution></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>
          
          <blocked>301778</blocked>
          <everconfirmed>1</everconfirmed>
          <reporter name="Jonathan Bedard">jbedard</reporter>
          <assigned_to name="Nobody">webkit-unassigned</assigned_to>
          <cc>webkit-bug-importer</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>2156314</commentid>
    <comment_count>0</comment_count>
    <who name="Jonathan Bedard">jbedard</who>
    <bug_when>2025-11-04 09:06:39 -0800</bug_when>
    <thetext>302495@main broke 16 TestIPC tests

Build:
https://build.webkit.org/#/builders/947/builds/11154
History:
https://results.webkit.org/?suite=api-tests&amp;test=TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeArray

Logs:
TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeArray
2025-11-03 13:27:39.592 TestIPC[74124:3104948] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:498
Expected equality of these values:
  entry.moveCounter
    Which is: 5
  3u
    Which is: 3
13:54:13.244 74021 
13:54:13.244 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodeArray
2025-11-03 13:27:39.595 TestIPC[74126:3104956] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:498
Expected equality of these values:
  entry.moveCounter
    Which is: 5
  3u
    Which is: 3
13:54:13.244 74021 
13:54:13.244 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeOptional
2025-11-03 13:27:39.765 TestIPC[74166:3105282] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:434
Expected equality of these values:
  counter-&gt;moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.244 74021 
13:54:13.244 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodeOptional
2025-11-03 13:27:39.839 TestIPC[74176:3105338] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:434
Expected equality of these values:
  counter-&gt;moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.244 74021 
13:54:13.244 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodePair
2025-11-03 13:27:39.897 TestIPC[74179:3105349] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:456
Expected equality of these values:
  pair-&gt;second.moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.244 74021 
13:54:13.244 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodePair
2025-11-03 13:27:39.902 TestIPC[74187:3105422] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:456
Expected equality of these values:
  pair-&gt;second.moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.244 74021 
13:54:13.244 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodeTuple
2025-11-03 13:27:40.000 TestIPC[74197:3105473] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:476
Expected equality of these values:
  std::get&lt;0&gt;(*tuple).moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.244 74021 
13:54:13.244 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeTuple
2025-11-03 13:27:40.026 TestIPC[74195:3105464] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:476
Expected equality of these values:
  std::get&lt;0&gt;(*tuple).moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodeUniquePtr
2025-11-03 13:27:40.089 TestIPC[74206:3105547] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:565
Expected equality of these values:
  counter-&gt;moveCounter
    Which is: 2
  1u
    Which is: 1
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeUniquePtr
2025-11-03 13:27:40.121 TestIPC[74207:3105565] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:565
Expected equality of these values:
  counter-&gt;moveCounter
    Which is: 2
  1u
    Which is: 1
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeValue
2025-11-03 13:27:40.210 TestIPC[74222:3105664] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:412
Expected equality of these values:
  counter-&gt;moveCounter
    Which is: 2
  1u
    Which is: 1
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodeValue
2025-11-03 13:27:40.265 TestIPC[74220:3105636] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:412
Expected equality of these values:
  counter-&gt;moveCounter
    Which is: 2
  1u
    Which is: 1
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeVariant
2025-11-03 13:27:40.293 TestIPC[74240:3105789] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:543
Expected equality of these values:
  std::get&lt;0&gt;(*variant).moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/Encoder.DecodeVector
2025-11-03 13:27:40.366 TestIPC[74251:3105858] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:520
Expected equality of these values:
  entry.moveCounter
    Which is: 2
  1u
    Which is: 1
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodeVariant
2025-11-03 13:27:40.371 TestIPC[74248:3105850] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:543
Expected equality of these values:
  std::get&lt;0&gt;(*variant).moveCounter
    Which is: 4
  2u
    Which is: 2
13:54:13.245 74021 
13:54:13.245 74021     TestIPC.ArgumentCoderTest/ArgumentCoderDecodingMoveCounterTest/StreamConnectionEncoder.DecodeVector
2025-11-03 13:27:40.449 TestIPC[74265:3105939] NSEventConcurrentProcessingEnabled=NO

/Volumes/Data/worker/Apple-Sonoma-Release-Build/build/Tools/TestWebKitAPI/Tests/IPC/ArgumentCoderTests.cpp:520
Expected equality of these values:
  entry.moveCounter
    Which is: 2
  1u
    Which is: 1</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>2156315</commentid>
    <comment_count>1</comment_count>
    <who name="Radar WebKit Bug Importer">webkit-bug-importer</who>
    <bug_when>2025-11-04 09:07:25 -0800</bug_when>
    <thetext>&lt;rdar://problem/164017650&gt;</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>