1 files changed, 2 insertions, 1 deletions
diff --git a/llvm.cpp b/llvm.cpp
index 1f4c58e..fc369b8 100644
--- a/llvm.cpp
+++ b/llvm.cpp
@@ -239,7 +239,8 @@ AFn::liftCall(CEnv& cenv, const AType& argsT)
 		// Apply substitution to get concrete type for this call
 		thisType = argsSubst.apply(thisType)->as<AType*>();
 		if (!thisType->concrete())
-			throw Error(loc, "unable to resolve concrete type for function");
+			throw Error(loc, string("unable to resolve concrete type for function :: ")
+					+ thisType->str());
 	}
 
 	Object::pool.addRoot(thisType);