| 1 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify |
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| 2 | // RUN: %clang_cc1 -fsyntax-only -std=c++1z %s -verify |
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| 3 | |
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| 4 | void test_conversion() { |
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| 5 | int (*fp1)(int) = [](int x) { return x + 1; }; |
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| 6 | void (*fp2)(int) = [](int x) { }; |
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| 7 | |
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| 8 | const auto lambda = [](int x) { }; |
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| 9 | void (*fp3)(int) = lambda; |
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| 10 | |
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| 11 | volatile const auto lambda2 = [](int x) { }; // expected-note{{but method is not marked volatile}} |
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| 12 | void (*fp4)(int) = lambda2; // expected-error{{no viable conversion}} |
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| 13 | |
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| 14 | void (*fp5)(int) noexcept = [](int x) { }; |
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| 15 | #if __cplusplus > 201402L |
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| 16 | // expected-error@-2 {{no viable}} expected-note@-2 {{candidate}} |
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| 17 | void (*fp5a)(int) noexcept = [](auto x) { }; |
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| 18 | // expected-error@-1 {{no viable}} expected-note@-1 {{candidate}} |
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| 19 | void (*fp5b)(int) noexcept = [](auto x) noexcept { }; |
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| 20 | #endif |
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| 21 | void (*fp6)(int) noexcept = [](int x) noexcept { }; |
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| 22 | } |
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| 23 | |
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| 24 | void test_no_conversion() { |
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| 25 | int (*fp1)(int) = [=](int x) { return x + 1; }; // expected-error{{no viable conversion}} |
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| 26 | void (*fp2)(int) = [&](int x) { }; // expected-error{{no viable conversion}} |
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| 27 | } |
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| 28 | |
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| 29 | void test_wonky() { |
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| 30 | const auto l = [](int x) mutable -> int { return + 1; }; |
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| 31 | l(17); // okay: uses conversion function |
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| 32 | } |
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| 33 | |
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