Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 8f229fb72961093d2f552ecfef65a8f13afd402a
      
https://github.com/WebKit/WebKit/commit/8f229fb72961093d2f552ecfef65a8f13afd402a
  Author: Kai Tamkun <[email protected]>
  Date:   2026-08-27 (Thu, 27 Aug 2026)

  Changed paths:
    A JSTests/wasm/regress/try-catch-result-type.js
    M Source/JavaScriptCore/wasm/WasmFunctionParser.h

  Log Message:
  -----------
  [JSC] WebAssembly try/catch result-type confusion omits optimized reference 
checks
https://bugs.webkit.org/show_bug.cgi?id=317450
rdar://179017779

Reviewed by Yusuke Suzuki.

This patch expands an expression stack check to force the signature
in all cases, not just for if/else.

Test: JSTests/wasm/regress/try-catch-result-type.js

* JSTests/wasm/regress/try-catch-result-type.js: Added.
* Source/JavaScriptCore/wasm/WasmFunctionParser.h:
(JSC::Wasm::FunctionParser<Context>::parseExpression):

Originally-landed-as: [email protected] (39a1fcf84d47). 
rdar://185368910
Canonical link: https://commits.webkit.org/319979@main



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