Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 7dc1af69d5f28486dc2dd697670eb5d90f7c6214
https://github.com/WebKit/WebKit/commit/7dc1af69d5f28486dc2dd697670eb5d90f7c6214
Author: Tadeu Zagallo <[email protected]>
Date: 2024-01-30 (Tue, 30 Jan 2024)
Changed paths:
M Source/WebGPU/WGSL/TypeCheck.cpp
Log Message:
-----------
[WGSL] Crash when failing to type check addressSpace and similar enums
https://bugs.webkit.org/show_bug.cgi?id=268308
rdar://121527219
Reviewed by Mike Wyrzykowski.
The code assumes that if we successfully unify the type of the expression with
the addressSpace enum type, then the node must be an IdentifierExpression. This
is valid most of the time, except the type is bottom, then the expression might
be anything since bottom with unifies with all types. To fix that we explicitly
check if the type is bottom.
* Source/WebGPU/WGSL/TypeCheck.cpp:
(WGSL::TypeChecker::texelFormat):
(WGSL::TypeChecker::accessMode):
(WGSL::TypeChecker::addressSpace):
Canonical link: https://commits.webkit.org/273749@main
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