Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 0bbbac7b52ca09e5c3508e6f89dd63e7fe885b69
      
https://github.com/WebKit/WebKit/commit/0bbbac7b52ca09e5c3508e6f89dd63e7fe885b69
  Author: Yusuke Suzuki <[email protected]>
  Date:   2026-08-17 (Mon, 17 Aug 2026)

  Changed paths:
    R JSTests/wasm/stress/memory64-multi-memory-rejected.js
    A JSTests/wasm/stress/memory64-multi-memory.js
    M Source/JavaScriptCore/llint/InPlaceInterpreter64.asm
    M Source/JavaScriptCore/wasm/WasmSectionParser.cpp
    M Source/JavaScriptCore/wasm/js/JSWebAssemblyInstance.cpp
    M Source/JavaScriptCore/wasm/js/JSWebAssemblyInstance.h

  Log Message:
  -----------
  [JSC] Implement wasm memory64 with multi-memory
https://bugs.webkit.org/show_bug.cgi?id=321972
rdar://185152671

Reviewed by Yijia Huang.

This patch implements memory64 handling for multi-memory in IPInt.
That was a blocker for memory64 with multi-memory support so now we
remove the check in WasmSectionParser which makes memory64 +
multi-memory compilation failure.

Test: JSTests/wasm/stress/memory64-multi-memory.js

* JSTests/wasm/stress/memory64-multi-memory-rejected.js: Removed.
* JSTests/wasm/stress/memory64-multi-memory.js: Added.
(async test):
* Source/JavaScriptCore/llint/InPlaceInterpreter64.asm:
* Source/JavaScriptCore/wasm/WasmSectionParser.cpp:
(JSC::Wasm::SectionParser::parseMemoryHelper):
* Source/JavaScriptCore/wasm/js/JSWebAssemblyInstance.cpp:
(JSC::JSWebAssemblyInstance::JSWebAssemblyInstance):
* Source/JavaScriptCore/wasm/js/JSWebAssemblyInstance.h:

Canonical link: https://commits.webkit.org/319336@main



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