Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 19da6c56338dc6cbd249ef2f76673fc103f0ecbb
https://github.com/WebKit/WebKit/commit/19da6c56338dc6cbd249ef2f76673fc103f0ecbb
Author: Yijia Huang <yijia_hu...@apple.com>
Date: 2025-03-18 (Tue, 18 Mar 2025)
Changed paths:
M Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp
Log Message:
-----------
[JSC] Explicitly capture `outOfBounds` in lambda to fix structured binding
issue
rdar://147378241
https://bugs.webkit.org/show_bug.cgi?id=290027
Reviewed by Yusuke Suzuki.
Some older versions of Clang (such as the one in Xcode 13) have a bug where
structured bindings (`auto [x, y] = ...;`) are not captured properly when using
default capture `[=]`. This causes compilation errors when `outOfBounds` is used
inside the lambda.
To resolve this, we explicitly capture `outOfBounds` as `outOfBoundsJump`
inside the lambda. This ensures that the `Jump` object is properly passed down
and avoids potential miscompilation issues. No functional change.
* Source/JavaScriptCore/ftl/FTLLowerDFGToB3.cpp:
(JSC::FTL::DFG::LowerDFGToB3::typedArrayLength):
Canonical link: https://commits.webkit.org/292346@main
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