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1 // RUN: rm -rf %t
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2 // RUN: mkdir %t
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3 // RUN: split-file %s %t
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4 //
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5 // RUN: %clang_cc1 -std=c++20 %t/A.cppm -emit-module-interface -o %t/A.pcm
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6 // RUN: %clang_cc1 -std=c++20 %t/B.cppm -emit-module-interface -o %t/B.pcm
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7 // RUN: %clang_cc1 -std=c++20 %t/use.cppm -fprebuilt-module-path=%t -fsyntax-only -verify
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8
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9 //--- lambda.h
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10 inline auto cmp = [](auto l, auto r) {
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11 return l < r;
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12 };
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13
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14 //--- A.cppm
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15 module;
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16 #include "lambda.h"
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17
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18 export module A;
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19 export auto c1 = cmp;
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20 export using ::cmp;
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21
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22 //--- B.cppm
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23 module;
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24 #include "lambda.h"
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25
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26 export module B;
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27 export auto c2 = cmp;
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28 export using ::cmp;
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29
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30 //--- use.cppm
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31 // expected-no-diagnostics
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32 module;
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33
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34 export module use;
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35
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36 import A;
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37 import B;
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38
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39 static_assert(__is_same(decltype(c1), decltype(c2))); // should succeed.
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40 auto x = cmp; // cmp must not be ambiguous,
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