[wasm] Add functionality to decode a function offset table

src/wasm/wasm-result.h

Index: src/wasm/wasm-result.h
diff --git a/src/wasm/wasm-result.h b/src/wasm/wasm-result.h
index b650c334d40faf3d4beb95960204af11484cec34..9aa061de862b2f1f60a4507a38c0c127a51bc52b 100644
--- a/src/wasm/wasm-result.h
+++ b/src/wasm/wasm-result.h
@@ -38,8 +38,7 @@ enum ErrorCode {
 // The overall result of decoding a function or a module.
 template <typename T>
 struct Result {
-  Result()
-      : val(nullptr), error_code(kSuccess), start(nullptr), error_pc(nullptr) {
+  Result() : val(), error_code(kSuccess), start(nullptr), error_pc(nullptr) {
     error_msg.Reset(nullptr);
   }