[wasm] Compare the maximum memory size with the spec limit, not with the V8 limit

src/wasm/wasm-module.h

Index: src/wasm/wasm-module.h
diff --git a/src/wasm/wasm-module.h b/src/wasm/wasm-module.h
index 3ac410476d7c6fc9a6a0752f1b7fccb5016a384d..8300d883a5912f58d9cc9642bb936496f211506c 100644
--- a/src/wasm/wasm-module.h
+++ b/src/wasm/wasm-module.h
@@ -177,6 +177,7 @@ struct V8_EXPORT_PRIVATE WasmModule {
   static const uint32_t kPageSize = 0x10000;    // Page size, 64kb.
   static const uint32_t kMinMemPages = 1;       // Minimum memory size = 64kb
   static const size_t kV8MaxPages = 16384;      // Maximum memory size = 1gb
+  static const size_t kSpecMaxPages = 65536;    // Maximum according to the spec
   static const size_t kV8MaxTableSize = 16 * 1024 * 1024;
 
   Zone* owned_zone;