[webkit-changes] [WebKit/WebKit] 5ff67f: Re-land [WASM-Function-References] Fix block signa...

[Asumu Takikawa]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: 5ff67f8945d70fcb2787d304b7e0a12e1e4ae7f4
      https://github.com/WebKit/WebKit/commit/5ff67f8945d70fcb2787d304b7e0a12e1e4ae7f4
  Author: Asumu Takikawa <asumu at igalia.com>
  Date:   2023-08-12 (Sat, 12 Aug 2023)

  Changed paths:
    A JSTests/wasm/function-references/block_signature.js
    M JSTests/wasm/gc-spec-tests/type-equivalence.wast.js
    M Source/JavaScriptCore/wasm/WasmFormat.h
    M Source/JavaScriptCore/wasm/WasmFunctionParser.h
    M Source/JavaScriptCore/wasm/WasmParser.h

  Log Message:
  -----------
  Re-land [WASM-Function-References] Fix block signature parsing for reftypes
https://bugs.webkit.org/show_bug.cgi?id=247383

Reviewed by Justin Michaud.

This is a re-land of this patch, with some adjustment to hopefully improve
performance in benchmarks (previous attempt backed out due to JetStream2
regression).

* JSTests/wasm/function-references/block_signature.js: Added.
(module):
(async blockSignatureTest):
* JSTests/wasm/gc-spec-tests/type-equivalence.wast.js:
* Source/JavaScriptCore/wasm/WasmFormat.h:
* Source/JavaScriptCore/wasm/WasmFunctionParser.h:
(JSC::Wasm::FunctionParser<Context>::unify):
* Source/JavaScriptCore/wasm/WasmParser.h:
(JSC::Wasm::Parser<SuccessType>::parseBlockSignature):
(JSC::Wasm::Parser<SuccessType>::parseReftypeSignature):

Canonical link: https://commits.webkit.org/266847@main