Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: e588a9dece40ae7e3df122b4a863823fd69b2cc2
https://github.com/WebKit/WebKit/commit/e588a9dece40ae7e3df122b4a863823fd69b2cc2
Author: Asumu Takikawa <as...@igalia.com>
Date: 2024-02-13 (Tue, 13 Feb 2024)
Changed paths:
M Source/JavaScriptCore/wasm/WasmSectionParser.cpp
M Source/JavaScriptCore/wasm/WasmSectionParser.h
M Source/JavaScriptCore/wasm/WasmTypeDefinition.cpp
Log Message:
-----------
[Wasm-GC] Fix subtype hashing
https://bugs.webkit.org/show_bug.cgi?id=269024
Reviewed by Justin Michaud.
The main fix is to the hashing+equality calculation for sub types. This fixes a
test case derived from failures in real programs.
There are also some smaller cleanups/refactorings of the subtype checking code
as well.
* Source/JavaScriptCore/wasm/WasmSectionParser.cpp:
(JSC::Wasm::SectionParser::parseType):
(JSC::Wasm::SectionParser::parseRecursionGroup):
(JSC::Wasm::SectionParser::checkSubtypeValidity):
(JSC::Wasm::SectionParser::parseSubtype):
* Source/JavaScriptCore/wasm/WasmSectionParser.h:
* Source/JavaScriptCore/wasm/WasmTypeDefinition.cpp:
(JSC::Wasm::computeSubtypeHash):
(JSC::Wasm::SubtypeParameterTypes::equal):
Canonical link: https://commits.webkit.org/274555@main
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