Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 87d57a3fc39c408dd484cd3341a9448f3be2208d
https://github.com/WebKit/WebKit/commit/87d57a3fc39c408dd484cd3341a9448f3be2208d
Author: Fady Farag <[email protected]>
Date: 2026-06-18 (Thu, 18 Jun 2026)
Changed paths:
M Source/JavaScriptCore/bytecode/CodeBlock.h
M Source/JavaScriptCore/bytecode/InlineCacheHandler.h
M Source/WTF/wtf/Compiler.h
M Source/WTF/wtf/RefCountDebugger.cpp
Log Message:
-----------
Use `[[msvc::no_unique_address]]` extension attribute to enable object layout
optimization on the MSVC ABI
https://bugs.webkit.org/show_bug.cgi?id=317369
Reviewed by Yusuke Suzuki.
Currently the WTF NO_UNIQUE_ADDRESS macro doesn't support MSVC ABI since
the standard attribute is ignored by clang-cl even when compiling with C++23.
Use MSVC extension attribute to enable the optimization for Windows builds.
* Source/JavaScriptCore/bytecode/CodeBlock.h:
(JSC::CodeBlock::checker):
* Source/JavaScriptCore/bytecode/InlineCacheHandler.h:
* Source/WTF/wtf/Compiler.h:
* Source/WTF/wtf/RefCountDebugger.cpp:
Canonical link: https://commits.webkit.org/315460@main
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