295253 2025-06-30 19:34:27 -0700 REGRESSION ( 296795@main): [ Sequoia Release WK2 arm64 ] 8X http/tests/webgpu/webgpu/shader are consistent failures 2025-07-02 08:48:20 -0700 1 1 1 Unclassified WebKit WebGPU WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 j_stfleur tzagallo j_stfleur mwyrzykowski tzagallo webkit-bot-watchers-bugzilla webkit-bug-importer oldest_to_newest 2126899 0 j_stfleur 2025-06-30 19:34:27 -0700 Description: http/tests/webgpu/webgpu/shader/execution/expression/binary/bitwise_shift.html http/tests/webgpu/webgpu/shader/validation/expression/access/array.html http/tests/webgpu/webgpu/shader/validation/expression/access/matrix.html http/tests/webgpu/webgpu/shader/validation/expression/access/vector.html http/tests/webgpu/webgpu/shader/validation/expression/call/builtin/value_constructor.html http/tests/webgpu/webgpu/shader/validation/parse/identifiers.html http/tests/webgpu/webgpu/shader/validation/shader_io/workgroup_size.html http/tests/webgpu/webgpu/shader/validation/types/matrix.html all 8 test are consistent failures on Sequoia WK2 arm64 Release due WGSL spec conformance issues in the shader compiler after changes on 296795@main History: https://results.webkit.org/?suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&suite=layout-tests&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fexecution%2Fexpression%2Fbinary%2Fbitwise_shift.html&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fvalidation%2Fexpression%2Faccess%2Farray.html&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fvalidation%2Fexpression%2Faccess%2Fmatrix.html&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fvalidation%2Fexpression%2Faccess%2Fvector.html&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fvalidation%2Fexpression%2Fcall%2Fbuiltin%2Fvalue_constructor.html&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fvalidation%2Fparse%2Fidentifiers.html&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fvalidation%2Fshader_io%2Fworkgroup_size.html&test=http%2Ftests%2Fwebgpu%2Fwebgpu%2Fshader%2Fvalidation%2Ftypes%2Fmatrix.html Diff/Image Diff/Crash Log: --- /Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK2-Tests/build/layout-test-results/http/tests/webgpu/webgpu/shader/validation/expression/call/builtin/value_constructor-expected.txt +++ /Volumes/Data/worker/Apple-Sequoia-Release-AppleSilicon-WK2-Tests/build/layout-test-results/http/tests/webgpu/webgpu/shader/validation/expression/call/builtin/value_constructor-actual.txt @@ -356,7 +356,6 @@ FAIL :array_zero_value:case="valid_array" assert_unreached: - VALIDATION FAILED: Unexpected compilationInfo 'error' message. 8:58: error: cannot use override value in constant expression - 8:46: error: 'array<u32, 2>' cannot be used as an element type of an array ---- shader ---- override o : i32 = 1; @@ -368,9 +367,8 @@ } const x : array<array<u32, 2>, 2> = array<array<u32, 2>, 2>(); at (elided: below max severity) - - EXCEPTION: Error: Unexpected validation error occurred: 2 errors generated while compiling the shader: + - EXCEPTION: Error: Unexpected validation error occurred: 1 error generated while compiling the shader: 8:57: cannot use override value in constant expression - 8:45: 'array<u32, 2>' cannot be used as an element type of an array TestFailedButDeviceReusable@ @http://127.0.0.1:8000/webgpu/webgpu/util/device_pool.js:442:44 Reached unreachable code @@ -385,7 +383,6 @@ FAIL :array_value:case="valid_array" assert_unreached: - VALIDATION FAILED: Unexpected compilationInfo 'error' message. 8:58: error: cannot use override value in constant expression - 8:46: error: 'array<u32, 2>' cannot be used as an element type of an array ---- shader ---- override o : i32 = 1; @@ -397,9 +394,8 @@ } const x : array<array<u32, 2>, 2> = array<array<u32, 2>, 2>(array(0,1), array(2,3)); at (elided: below max severity) - - EXCEPTION: Error: Unexpected validation error occurred: 2 errors generated while compiling the shader: + - EXCEPTION: Error: Unexpected validation error occurred: 1 error generated while compiling the shader: 8:57: cannot use override value in constant expression - 8:45: 'array<u32, 2>' cannot be used as an element type of an array TestFailedButDeviceReusable@ @http://127.0.0.1:8000/webgpu/webgpu/util/device_pool.js:442:44 Reached unreachable code 2126900 1 webkit-bug-importer 2025-06-30 19:36:23 -0700 <rdar://problem/154721362> 2126902 2 ews-feeder 2025-06-30 19:52:47 -0700 Test gardening commit 296847@main (6e1596caf8de): <https://commits.webkit.org/296847@main> Reviewed commits have been landed. Closing PR #47419 and removing active labels. 2127080 3 tzagallo 2025-07-01 11:02:04 -0700 Pull request: https://github.com/WebKit/WebKit/pull/47448 2127298 4 ews-feeder 2025-07-02 08:48:19 -0700 Committed 296911@main (bdb3bdda85a2): <https://commits.webkit.org/296911@main> Reviewed commits have been landed. Closing PR #47448 and removing active labels.