2 files changed, 9 insertions, 0 deletions
diff --git a/src/wasm-binary.h b/src/wasm-binary.h
index a76bf7fa5..e77f3992e 100644
--- a/src/wasm-binary.h
+++ b/src/wasm-binary.h
@@ -469,6 +469,7 @@ class WasmBinaryWriter : public Visitor<WasmBinaryWriter, void> {
       if (func->type.isNull()) {
         func->type = ensureFunctionType(getSig(func.get()), wasm)->name;
       }
+      // TODO: depending on upstream flux https://github.com/WebAssembly/spec/pull/301 might want this: assert(!func->type.isNull());
     }
   }
 
diff --git a/src/wasm-s-parser.h b/src/wasm-s-parser.h
index a48ee1a5f..c6b3809f1 100644
--- a/src/wasm-s-parser.h
+++ b/src/wasm-s-parser.h
@@ -498,6 +498,14 @@ private:
       body = allocator.alloc<Nop>();
     }
     if (currFunction->result != result) throw ParseException("bad func declaration", s.line, s.col);
+    /* TODO: spec in flux, https://github.com/WebAssembly/spec/pull/301
+    if (type.isNull()) {
+      // if no function type provided, generate a private one for this function
+      auto* functionType = sigToFunctionType(getSig(currFunction.get()));
+      wasm.addFunctionType(functionType);
+      type = functionType->name;
+    }
+    */
     currFunction->body = body;
     currFunction->type = type;
     wasm.addFunction(currFunction.release());