// {"kind":"typecheck","signature":"void llvm::function_ref::callback_fn<(anonymous namespace)::findFavoredChoicesBasedOnArity(swift::constraints::ConstraintSystem&, swift::constraints::Constraint*, swift::ArgumentList*, llvm::function_ref)::$_0>(long, swift::constraints::Constraint*, swift::ValueDecl*, swift::FunctionType*)"} // RUN: not --crash %target-swift-frontend -typecheck %s var a: Any let a : () -> Void = a (b)