4 // Check that we don't get any extra warning for "return" without an
5 // expression, in a function that might have been intended to return
8   return;  in h1()
14 auto f2() { return; }  in f2()
15 auto f3() { return void(); }  in f3()
17   return i;  in f4()
18 …return; // expected-error {{'auto' in return type deduced as 'void' here but deduced as 'int' in e…  in f4()
21   return i;  in f5()
22 …return void(); // expected-error {{'auto' in return type deduced as 'void' here but deduced as 'in…  in f5()
26 auto l2 = []() { return; };  in __anon22edc4580202()
27 auto l3 = []() { return void(); };  in __anon22edc4580302()
29   return i;  in __anon22edc4580402()
30 …return; // expected-error {{return type 'void' must match previous return type 'int' when lambda e…  in __anon22edc4580402()
33   return i;  in __anon22edc4580502()
34 …return void(); // expected-error {{return type 'void' must match previous return type 'int' when l…  in __anon22edc4580502()
42 decltype(auto) f2() { return; }  in f2()
43 decltype(auto) f3() { return void(); }  in f3()
45   return i;  in f4()
46 …return; // expected-error {{'decltype(auto)' in return type deduced as 'void' here but deduced as …  in f4()
49   return i;  in f5()
50 …return void(); // expected-error {{'decltype(auto)' in return type deduced as 'void' here but dedu…  in f5()
54 auto l2 = []() -> decltype(auto) { return; };
55 auto l3 = []() -> decltype(auto) { return void(); };
57   return i;
58 …return; // expected-error {{'decltype(auto)' in return type deduced as 'void' here but deduced as …
61   return i;
62 …return void(); // expected-error {{'decltype(auto)' in return type deduced as 'void' here but dedu…
69 auto *f1() { } // expected-error {{cannot deduce return type 'auto *' for function with no return s…  in f1()
71   return; // expected-error {{cannot deduce return type 'auto *' from omitted return expression}}  in f2()
74 …return void(); // expected-error {{cannot deduce return type 'auto *' from returned value of type …  in f3()
77   return &i;  in f4()
78   return; // expected-error {{cannot deduce return type 'auto *' from omitted return expression}}  in f4()
81   return &i;  in f5()
82 …return void(); // expected-error {{cannot deduce return type 'auto *' from returned value of type …  in f5()
85 …]() -> auto* { }; // expected-error {{cannot deduce return type 'auto *' for function with no retu…  in __anon22edc4580602()
87   return; // expected-error {{cannot deduce return type 'auto *' from omitted return expression}}  in __anon22edc4580702()
90 …return void(); // expected-error {{cannot deduce return type 'auto *' from returned value of type …  in __anon22edc4580802()
93   return &i;  in __anon22edc4580902()
94   return; // expected-error {{cannot deduce return type 'auto *' from omitted return expression}}  in __anon22edc4580902()
97   return &i;  in __anon22edc4580a02()
98 …return void(); // expected-error {{cannot deduce return type 'auto *' from returned value of type …  in __anon22edc4580a02()
104 auto& f1() { // expected-error {{cannot deduce return type 'auto &' for function with no return sta…  in f1()
107   return; // expected-error {{cannot deduce return type 'auto &' from omitted return expression}}  in f2()
110   return void(); // expected-error@-1 {{cannot form a reference to 'void'}}  in f3()
113   return i;  in f4()
114   return; // expected-error {{cannot deduce return type 'auto &' from omitted return expression}}  in f4()
117   return i;  in f5()
118   return void(); // expected-error {{deduced as 'int' in earlier return statement}}  in f5()
120 auto& f6() { return 42; } // expected-error {{non-const lvalue reference to type 'int' cannot bind …  in f6()
122 …]() -> auto& { }; // expected-error {{cannot deduce return type 'auto &' for function with no retu…  in __anon22edc4580b02()
124   return; // expected-error {{cannot deduce return type 'auto &' from omitted return expression}}  in __anon22edc4580c02()
127   return void();  in __anon22edc4580d02()
130   return i;  in __anon22edc4580e02()
131   return; // expected-error {{cannot deduce return type 'auto &' from omitted return expression}}  in __anon22edc4580e02()
134   return i;  in __anon22edc4580f02()
135   return void(); // expected-error {{deduced as 'int' in earlier return statement}}  in __anon22edc4580f02()
138 …return 42; // expected-error {{non-const lvalue reference to type 'int' cannot bind to a temporary…  in __anon22edc4581002()