[wasm] Js-to-wasm generic wrapper is js-to-wasm code

Bug: v8:10701
Change-Id: Ibb4879accb0e991ddb4434d878bd8ef779b70034
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2412171Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Thibaud Michaud <thibaudm@chromium.org>
Commit-Queue: Eva Herencsárová <evih@google.com>
Cr-Commit-Position: refs/heads/master@{#69913}

src/runtime/runtime-test.cc

@@ -1159,7 +1159,10 @@ RUNTIME_FUNCTION(Runtime_IsWasmCode) {
   SealHandleScope shs(isolate);
   DCHECK_EQ(1, args.length());
   CONVERT_ARG_CHECKED(JSFunction, function, 0);
-  bool is_js_to_wasm = function.code().kind() == CodeKind::JS_TO_WASM_FUNCTION;
+  bool is_js_to_wasm =
+      function.code().kind() == CodeKind::JS_TO_WASM_FUNCTION ||
+      (function.code().is_builtin() &&
+       function.code().builtin_index() == Builtins::kGenericJSToWasmWrapper);
   return isolate->heap()->ToBoolean(is_js_to_wasm);
 }