Comment on validation in wasm-dis (#3556)

Author: kripken

src/tools/wasm-dis.cpp

@@ -74,6 +74,12 @@ int main(int argc, const char* argv[]) {
 
   options.applyFeatures(wasm);
 
+  // TODO: Validation. However, validating would mean that users are forced to
+  //       run with  wasm-dis -all  or such, to enable the features (unless the
+  //       features section is present, but that's rare in general). It would be
+  //       better to have an "autodetect" code path that enables used features
+  //       eventually.
+
   if (options.debug) {
     std::cerr << "Printing..." << std::endl;
   }