Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 68075e5a536bb105bc8826a94c53b69a4c1cc767
https://github.com/WebKit/WebKit/commit/68075e5a536bb105bc8826a94c53b69a4c1cc767
Author: Mike Wyrzykowski <[email protected]>
Date: 2025-04-15 (Tue, 15 Apr 2025)
Changed paths:
A LayoutTests/fast/webgpu/nocrash/fuzz-291570-expected.txt
A LayoutTests/fast/webgpu/nocrash/fuzz-291570.html
M Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp
Log Message:
-----------
[WebGPU] Use of discard can cause MTLCompiler crash
https://bugs.webkit.org/show_bug.cgi?id=291570
rdar://149246642
Reviewed by Tadeu Zagallo.
Certain discard usage results in a MTLCompiler crash, avoid this
with a volatile load.
* LayoutTests/fast/webgpu/nocrash/fuzz-291570-expected.txt: Added.
* LayoutTests/fast/webgpu/nocrash/fuzz-291570.html: Added.
Add regression test.
* Source/WebGPU/WGSL/Metal/MetalFunctionWriter.cpp:
(WGSL::Metal::FunctionDefinitionWriter::visit):
Codegen workaround.
Canonical link: https://commits.webkit.org/293730@main
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