[wasm] Adding feature to JIT a wasm function at runtime and hook up the compiled code into the indi…

src/wasm/wasm-module.cc

Index: src/wasm/wasm-module.cc
diff --git a/src/wasm/wasm-module.cc b/src/wasm/wasm-module.cc
index 7123a127e648b3e58c3c03c0d6c1899a27e1e1b6..90bd6cee6e19a981bb20c6a22f46c7a394c5bdc4 100644
--- a/src/wasm/wasm-module.cc
+++ b/src/wasm/wasm-module.cc
@@ -449,8 +449,8 @@ void FlushAssemblyCache(Isolate* isolate, Handle<FixedArray> functions) {
 
 }  // namespace
 
-WasmModule::WasmModule()
-    : module_start(nullptr),
+WasmModule::WasmModule(byte* module_start)
+    : module_start(module_start),
       module_end(nullptr),
       min_mem_pages(0),
       max_mem_pages(0),