Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 711c7de281d5975ec9428ebe0e27f859ee57f022
https://github.com/WebKit/WebKit/commit/711c7de281d5975ec9428ebe0e27f859ee57f022
Author: Yusuke Suzuki <[email protected]>
Date: 2023-01-17 (Tue, 17 Jan 2023)
Changed paths:
A JSTests/stress/object-to-string-and-to-this.js
M Source/JavaScriptCore/dfg/DFGOperations.cpp
Log Message:
-----------
[JSC] Call toThis for Object#toString in DFG / FTL
https://bugs.webkit.org/show_bug.cgi?id=250748
rdar://104299510
Reviewed by Mark Lam.
Object#toString specifically requires `toThis+Strict` since it keeps undefined
|this| as is (most of them converts it to JSGlobalObject).
This is done in runtime function, but not done in DFG / FTL operations. This
patch adds toThis call in DFG operations to make it work correctly.
* JSTests/stress/object-to-string-and-to-this.js: Added.
(shouldBe):
(foo):
* Source/JavaScriptCore/dfg/DFGOperations.cpp:
(JSC::DFG::JSC_DEFINE_JIT_OPERATION):
Canonical link: https://commits.webkit.org/259016@main
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