[wasm] Adding a convolution matrix filter test to highlight the performance advantages of JITing

src/runtime/runtime-wasm.cc

Index: src/runtime/runtime-wasm.cc
diff --git a/src/runtime/runtime-wasm.cc b/src/runtime/runtime-wasm.cc
index c883fb7e1a94fee7c4c064a8e1e64bd4e270e6bd..b55acf1b33fd70e8c23a1a4035682296288282c3 100644
--- a/src/runtime/runtime-wasm.cc
+++ b/src/runtime/runtime-wasm.cc
@@ -152,11 +152,18 @@ RUNTIME_FUNCTION(Runtime_JITSingleFunction) {
 
   Handle<JSArrayBuffer> mem_buffer = Handle<JSArrayBuffer>::cast(obj);
 
-  wasm::WasmModule module(reinterpret_cast<byte*>(mem_buffer->backing_store()));
   wasm::ErrorThrower thrower(isolate, "JITSingleFunction");
+  wasm::WasmModule module(reinterpret_cast<byte*>(mem_buffer->backing_store()));
+  wasm::WasmModuleInstance instance(&module);
+  instance.context = isolate->native_context();
+  instance.mem_size =
+    static_cast<uint32_t>(mem_buffer->byte_length()->Number());
+  instance.mem_start = reinterpret_cast<byte*>(mem_buffer->backing_store());
+  instance.globals_start = nullptr;
+
   wasm::ModuleEnv module_env;
   module_env.module = &module;
-  module_env.instance = nullptr;
+  module_env.instance = &instance;
   module_env.origin = wasm::kWasmOrigin;
 
   uint32_t signature_size = args.length() - fixed_args;