[zone]: fix build on msvc in wasm module

Fix: nodejs/node-v8#172
Change-Id: Ibdbee76470ec8a4c20af7650dc5fac4602873430
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2414688
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70109}

src/wasm/wasm-module-builder.h

@@ -361,6 +361,8 @@ class V8_EXPORT_PRIVATE WasmModuleBuilder : public ZoneObject {
   // Indirect functions must be allocated before adding extra tables.
   bool allocating_indirect_functions_allowed_ = true;
 #endif
+
+  DISALLOW_COPY_AND_ASSIGN(WasmModuleBuilder);
 };
 
 inline FunctionSig* WasmFunctionBuilder::signature() {