[nowasm] Fix compile error

This fixes a compile error if webassembly is disabled. It was introduced
in https://crrev.com/c/2902731.

R=cbruni@chromium.org

Cq-Include-Trybots: luci.v8.try:v8_linux64_no_wasm_compile_rel
Change-Id: Icf12b22d54dbd4710130e0f2b56c44f42ac86424
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2905602
Auto-Submit: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#74687}

src/codegen/x64/macro-assembler-x64.cc

@@ -444,11 +444,15 @@ void TurboAssembler::CallRecordWriteStub(
   // object_parameter <= object
   MovePair(slot_parameter, address, object_parameter, object);
 
+#if V8_ENABLE_WEBASSEMBLY
   if (mode == StubCallMode::kCallWasmRuntimeStub) {
     // Use {near_call} for direct Wasm call within a module.
     auto wasm_target =
         wasm::WasmCode::GetRecordWriteStub(remembered_set_action, fp_mode);
     near_call(wasm_target, RelocInfo::WASM_STUB_CALL);
+#else
+  if (false) {
+#endif
   } else {
     auto builtin_index =
         Builtins::GetRecordWriteStub(remembered_set_action, fp_mode);