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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 -fskip-odr-check-in-gmf %t/A.cppm -emit-module-interface -o %t/A.pcm6// RUN: %clang_cc1 -std=c++20 -fskip-odr-check-in-gmf %t/B.cppm -emit-module-interface -o %t/B.pcm7// RUN: %clang_cc1 -std=c++20 -fskip-odr-check-in-gmf %t/test.cpp -fprebuilt-module-path=%t -fsyntax-only -verify8 9//--- header.h10#pragma once11template <class _Tp>12class Optional {};13 14template <class _Tp>15concept C = requires(const _Tp& __t) {16 []<class _Up>(const Optional<_Up>&) {}(__t);17};18 19//--- func.h20#include "header.h"21template <C T>22void func() {}23 24//--- duplicated_func.h25#include "header.h"26template <C T>27void duplicated_func() {}28 29//--- test_func.h30#include "func.h"31 32void test_func() {33 func<Optional<int>>();34}35 36//--- test_duplicated_func.h37#include "duplicated_func.h"38 39void test_duplicated_func() {40 duplicated_func<Optional<int>>();41}42 43//--- A.cppm44module;45#include "header.h"46#include "test_duplicated_func.h"47export module A;48export using ::test_duplicated_func;49 50//--- B.cppm51module;52#include "header.h"53#include "test_func.h"54#include "test_duplicated_func.h"55export module B;56export using ::test_func;57export using ::test_duplicated_func;58 59//--- test.cpp60// expected-no-diagnostics61import A;62import B;63 64void test() {65 test_func();66 test_duplicated_func();67}68