More work on WASM handling.

src/script_implementations/wasm/mod.rs

@@ -5,6 +5,8 @@ pub(crate) mod extern_ref;
 pub mod script;
 /// The script resolver deals with the loading of scripts.
 pub mod script_resolver;
+mod temp_wasm_allocator;
+mod script_function_cache;
 
 /// The WebAssemblyScriptCapabilities define which functions are implemented on a script. This allows
 /// us to not call a function if we do not need to.