Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 2ffa1875acb5dd36fe6cd44c1636795e017b7731
https://github.com/WebKit/WebKit/commit/2ffa1875acb5dd36fe6cd44c1636795e017b7731
Author: David Degazio <[email protected]>
Date: 2024-05-24 (Fri, 24 May 2024)
Changed paths:
A
JSTests/wasm/stress/catch-should-keep-alive-inline-parent-expression-stack.js
M Source/JavaScriptCore/wasm/WasmOMGIRGenerator.cpp
Log Message:
-----------
[JSC] Catch should preserve top expression stack of inline parents in OMG
https://bugs.webkit.org/show_bug.cgi?id=271987
rdar://125145754
Reviewed by Justin Michaud.
This patch makes it so we include the top-level expression stack
(m_parser->expressionStack()) among the values we consider live when figuring
out which values need to be reloaded at a catch entrypoint. Previously, we only
considered the enclosed expression stacks buried in the control entries for
each inline parent, which only captures values live in enclosing blocks and not
the current block being executed.
*
JSTests/wasm/stress/catch-should-keep-alive-inline-parent-expression-stack.js:
Added.
(async test):
* Source/JavaScriptCore/wasm/WasmB3IRGenerator.cpp:
(JSC::Wasm::B3IRGenerator::preparePatchpointForExceptions):
(JSC::Wasm::B3IRGenerator::emitCatchImpl):
Originally-landed-as: 272448.849@safari-7618-branch (0b59e3f5e9ff).
rdar://128550624
Canonical link: https://commits.webkit.org/279265@main
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