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1// RUN: rm -rf %t2// RUN: mkdir -p %t3// RUN: split-file %s %t4//5// RUN: %clang_cc1 -std=c++20 -fsyntax-only -verify %t/c.cppm6 7//--- a.hpp8#pragma once9using a = int;10 11//--- b.hpp12#pragma once13#include "a.hpp"14a b;15 16//--- c.cppm17// expected-no-diagnostics18module;19#include "b.hpp"20export module c;21export using ::a;22