1 files changed, 4 insertions, 4 deletions
diff --git a/ll.cpp b/ll.cpp
index 1441171..368a3cd 100644
--- a/ll.cpp
+++ b/ll.cpp
@@ -663,12 +663,12 @@ compileFunction(CEnv& cenv, const std::string& name, ASTTuple& prot, const Type*
 	const TupV& texp = cenv.tenv.type(&prot)->tup;
 	vector<const Type*> cprot;
 	for (size_t i = 0; i < texp.size(); ++i) {
-		const Type* t = cenv.tenv.type(texp[i])->ctype;
-		if (!t) throw CompileError("Function parameter is untyped");
-		cprot.push_back(t);
+		const AType* at = dynamic_cast<AType*>(texp[i]); assert(at);
+		if (!at->ctype) throw CompileError("Parameter is untyped");
+		cprot.push_back(at->ctype);
 	}
 
-	if (!retT) throw CompileError("Function return is untyped");
+	if (!retT) throw CompileError("Return is untyped");
 	FunctionType* fT = FunctionType::get(retT, cprot, false);
 	Function*     f  = Function::Create(fT, linkage, name, cenv.module);