[Webkit-unassigned] [Bug 287040] New: REGRESSION (289246 at main): [Sonoma arm64] fast/webgpu/ftoi.html is constantly failing.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=287040

            Bug ID: 287040
           Summary: REGRESSION (289246 at main): [Sonoma arm64]
                    fast/webgpu/ftoi.html is constantly failing.
           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: ben_schwartz at apple.com
                CC: tzagallo at apple.com,
                    webkit-bot-watchers-bugzilla at group.apple.com,
                    webkit-bug-importer at group.apple.com

fast/webgpu/ftoi.html

This test is constantly failing on macOS Sonoma on arm64 machines.

HISTORY:

https://results.webkit.org/?suite=layout-tests&test=fast%2Fwebgpu%2Fftoi.html

TEXT DIFF:

--65504,-2147483648,65504,2147483520,0,0,-65504,65504,0,0,-2147483648,2147483520,-65504,-2147483648,65504,2147483520,0,0,-65504,65504,0,0,-2147483648,2147483520
-0,0,65504,4294967040,0,0,0,65504,0,0,0,4294967040,0,0,65504,4294967040,0,0,0,65504,0,0,0,4294967040
+-65504,-2147483648,65504,2147483520,0,0,-65504,23,0,0,-2147483648,2147483520,-65504,-2147483648,65504,2147483520,0,0,-65504,23,0,0,-2147483648,2147483520
+0,0,65504,4294967040,0,0,0,23,0,0,0,4294967040,0,0,65504,4294967040,0,0,0,23,0,0,0,4294967040
 PASS output[0] is -65504
 PASS output[1] is -2147483648
 PASS output[2] is 65504
@@ -7,7 +7,7 @@
 PASS output[4] is 0
 PASS output[5] is 0
 PASS output[6] is -65504
-PASS output[7] is 65504
+FAIL output[7] should be 65504. Was 23.
 PASS output[8] is 0
 PASS output[9] is 0
 PASS output[10] is -2147483648
@@ -19,7 +19,7 @@
 PASS output[16] is 0
 PASS output[17] is 0
 PASS output[18] is -65504
-PASS output[19] is 65504
+FAIL output[19] should be 65504. Was 23.
 PASS output[20] is 0
 PASS output[21] is 0
 PASS output[22] is -2147483648
@@ -31,7 +31,7 @@
 PASS output2[4] is 0
 PASS output2[5] is 0
 PASS output2[6] is 0
-PASS output2[7] is 65504
+FAIL output2[7] should be 65504. Was 23.
 PASS output2[8] is 0
 PASS output2[9] is 0
 PASS output2[10] is 0
@@ -43,7 +43,7 @@
 PASS output2[16] is 0
 PASS output2[17] is 0
 PASS output2[18] is 0
-PASS output2[19] is 65504
+FAIL output2[19] should be 65504. Was 23.
 PASS output2[20] is 0
 PASS output2[21] is 0
 PASS output2[22] is 0

DIFF URL:

https://build.webkit.org/results/Apple-Sonoma-Debug-AppleSilicon-WK2-Tests/289247@main%20(5236)/fast/webgpu/ftoi-pretty-diff.html

REGRESSION:

This very likely regressed at 289246 at main. Changes at this point appear to touch code paths that are used by this test.

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