1// RUN: rm -rf %t 2// RUN: mkdir -p %t 3// RUN: split-file %s %t 4// 5// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify %t/c.cppm 6 7//--- a.hpp 8#pragma once 9using a = int; 10 11//--- b.hpp 12#pragma once 13#include "a.hpp" 14a b; 15 16//--- c.cppm 17// expected-no-diagnostics 18module; 19#include "b.hpp" 20export module c; 21export using ::a; 22