Enable by default Wasm JS String Builtins

ast-hugger · ast-hugger · commit ad8e57484676 · 2025-09-02T14:15:33.000-07:00
https://bugs.webkit.org/show_bug.cgi?id=298243 rdar://159679027 Reviewed by Daniel Liu and Yusuke Suzuki. This patch enables Wasm JS String Builtins after JIT Cage support was added and JetStream 3 benchmarks started running successfully on affected systems. Canonical link: https://commits.webkit.org/299455@main
diff --git a/Source/JavaScriptCore/runtime/OptionsList.h b/Source/JavaScriptCore/runtime/OptionsList.h
@@ -647,7 +647,7 @@ bool hasCapacityToUseLargeGigacage();
     v(Bool, useShadowRealm, false, Normal, "Expose the ShadowRealm object."_s) \
     v(Bool, useTemporal, false, Normal, "Expose the Temporal object."_s) \
     v(Bool, useTrustedTypes, true, Normal, "Enable trusted types eval protection feature."_s) \
-    v(Bool, useWasmJSStringBuiltins, false, Normal, "Enable the implementation of the JS String Builtins proposal."_s) \
+    v(Bool, useWasmJSStringBuiltins, true, Normal, "Enable the implementation of the JS String Builtins proposal."_s) \
     v(Bool, useWasmMemoryToBufferAPIs, true, Normal, "Enable the toFixedLengthBuffer() and toResizableBuffer() Wasm Memory.prototype functions."_s) \
     v(Bool, useWasmSIMD, true, Normal, "Allow the new simd instructions and types from the wasm simd spec."_s) \
     v(Bool, useWasmRelaxedSIMD, false, Normal, "Allow the relaxed simd instructions and types from the wasm relaxed simd spec."_s) \
