[Webkit-unassigned] [Bug 245030] New: REGRESSION (254304 at main): [ macOS wk1 ] Four compositing test are a consistent failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=245030

            Bug ID: 245030
           Summary: REGRESSION (254304 at main): [ macOS wk1 ] Four
                    compositing test are a consistent failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
compositing/contents-opaque/body-background-skipped.html
compositing/rtl/rtl-fixed.html
compositing/contents-opaque/body-background-painted.html
compositing/fixed-image-loading.html

These tests passed consistently until the change at 254304 at main, when they began to fail consistently.

Reproduction steps:
I can reproduce this on 254304 at main but cannot reproduce it on 254303 at main or earlier.

Command: 
run-webkit-tests -1  --exit-after-n-failures 1 --exit-after-n-crashes-or-timeouts 1 --iterations 50 -f --no-retry compositing/contents-opaque/body-background-skipped.html

Result: 
Regressions: Unexpected text-only failures (1)
  compositing/contents-opaque/body-background-skipped.html [ Failure ]

History:
https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=compositing%2Fcontents-opaque%2Fbody-background-painted.html&test=compositing%2Fcontents-opaque%2Fbody-background-skipped.html&test=compositing%2Ffixed-image-loading.html&test=compositing%2Frtl%2Frtl-fixed.html&flavor=wk1&limit=50000

Diff:
https://build.webkit.org/results/Apple-Monterey-Release-WK1-Tests/254313@main%20(5383)/compositing/contents-opaque/body-background-painted-diff.txt
https://build.webkit.org/results/Apple-Monterey-Release-WK1-Tests/254313@main%20(5383)/compositing/contents-opaque/body-background-skipped-diff.txt
https://build.webkit.org/results/Apple-Monterey-Release-WK1-Tests/254313@main%20(5383)/compositing/fixed-image-loading-diff.txt
https://build.webkit.org/results/Apple-Monterey-Release-WK1-Tests/254313@main%20(5383)/compositing/rtl/rtl-fixed-diff.txt

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