112695101SDouglas Gregor // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
23c4f8d2eSRichard Smith // RUN: %clang_cc1 -fsyntax-only -std=c++1z %s -verify
3*6976fef0SErich Keane // RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -triple i386-windows-pc -verify
4*6976fef0SErich Keane // RUN: %clang_cc1 -fsyntax-only -std=c++1z %s -triple i386-windows-pc -verify
512695101SDouglas Gregor 
test_conversion()612695101SDouglas Gregor void test_conversion() {
712695101SDouglas Gregor   int (*fp1)(int) = [](int x) { return x + 1; };
812695101SDouglas Gregor   void (*fp2)(int) = [](int x) { };
912695101SDouglas Gregor 
1012695101SDouglas Gregor   const auto lambda = [](int x) { };
1112695101SDouglas Gregor   void (*fp3)(int) = lambda;
1212695101SDouglas Gregor 
1312695101SDouglas Gregor   volatile const auto lambda2 = [](int x) { }; // expected-note{{but method is not marked volatile}}
1412695101SDouglas Gregor   void (*fp4)(int) = lambda2; // expected-error{{no viable conversion}}
153c4f8d2eSRichard Smith 
163c4f8d2eSRichard Smith   void (*fp5)(int) noexcept = [](int x) { };
173c4f8d2eSRichard Smith #if __cplusplus > 201402L
183c4f8d2eSRichard Smith   // expected-error@-2 {{no viable}} expected-note@-2 {{candidate}}
193c4f8d2eSRichard Smith   void (*fp5a)(int) noexcept = [](auto x) { };
203c4f8d2eSRichard Smith   // expected-error@-1 {{no viable}} expected-note@-1 {{candidate}}
213c4f8d2eSRichard Smith   void (*fp5b)(int) noexcept = [](auto x) noexcept { };
223c4f8d2eSRichard Smith #endif
233c4f8d2eSRichard Smith   void (*fp6)(int) noexcept = [](int x) noexcept { };
2412695101SDouglas Gregor }
2512695101SDouglas Gregor 
test_no_conversion()2612695101SDouglas Gregor void test_no_conversion() {
2712695101SDouglas Gregor   int (*fp1)(int) = [=](int x) { return x + 1; }; // expected-error{{no viable conversion}}
2812695101SDouglas Gregor   void (*fp2)(int) = [&](int x) { }; // expected-error{{no viable conversion}}
2912695101SDouglas Gregor }
3012695101SDouglas Gregor 
test_wonky()3112695101SDouglas Gregor void test_wonky() {
3212695101SDouglas Gregor   const auto l = [](int x) mutable -> int { return + 1; };
3312695101SDouglas Gregor   l(17); // okay: uses conversion function
3412695101SDouglas Gregor }
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