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1 // RUN: rm -rf %t
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2 // RUN: split-file %s %t
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3 // RUN: cd %t
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4 //
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5 // RUN: %clang_cc1 -std=c++20 %t/A.cppm -I%t -emit-module-interface -o %t/A.pcm
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6 // RUN: %clang_cc1 -std=c++20 -fprebuilt-module-path=%t %t/Use.cpp -verify -fsyntax-only
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7 //
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8 //--- foo.h
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9
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10 namespace ns {
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11
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12 struct T {
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13 T(void*);
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14 };
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15
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16 struct A {
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17 template <typename F>
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18 A(F f) : t(&f) {}
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19
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20 T t;
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21 };
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22
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23 template <typename T>
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24 void foo(T) {
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25 auto f = [](){};
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26 ns::A a(f);
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27 }
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28 }
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29
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30 //--- A.cppm
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31 module;
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32 #include "foo.h"
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33 export module A;
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34 export namespace ns {
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35 using ns::A;
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36 using ns::foo;
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37 }
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38
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39 //--- Use.cpp
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40 // expected-no-diagnostics
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41 import A;
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42 void test() {
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43 ns::foo(5);
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44 }
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