Richard Smith | 762bb9d | 2011-10-13 22:29:44 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11 |
Richard Smith | 34b41d9 | 2011-02-20 03:19:35 +0000 | [diff] [blame] | 2 | |
| 3 | template<typename T> |
| 4 | struct only { |
| 5 | only(T); |
| 6 | template<typename U> only(U) = delete; // expected-note {{here}} |
| 7 | }; |
| 8 | |
| 9 | template<typename ...T> |
| 10 | void f(T ...t) { |
Eli Friedman | 6aeaa60 | 2012-01-05 22:34:08 +0000 | [diff] [blame] | 11 | auto x(t...); // expected-error {{is empty}} expected-error {{contains multiple expressions}} |
Richard Smith | 34b41d9 | 2011-02-20 03:19:35 +0000 | [diff] [blame] | 12 | only<int> check = x; |
| 13 | } |
| 14 | |
| 15 | void g() { |
| 16 | f(); // expected-note {{here}} |
| 17 | f(0); |
| 18 | f(0, 1); // expected-note {{here}} |
| 19 | } |
| 20 | |
| 21 | |
| 22 | template<typename T> |
| 23 | bool h(T t) { |
| 24 | auto a = t; |
| 25 | decltype(a) b; |
| 26 | a = a + b; |
| 27 | |
| 28 | auto p = new auto(t); |
| 29 | |
| 30 | only<double*> test = p; // expected-error {{conversion function from 'char *' to 'only<double *>'}} |
| 31 | return p; |
| 32 | } |
| 33 | |
| 34 | bool b = h('x'); // expected-note {{here}} |
Richard Smith | 406c38e | 2011-02-23 00:37:57 +0000 | [diff] [blame] | 35 | |
| 36 | // PR 9276 - Make sure we check auto types deduce the same |
| 37 | // in the case of a dependent initializer |
| 38 | namespace PR9276 { |
| 39 | template<typename T> |
| 40 | void f() { |
| 41 | auto i = T(), j = 0; // expected-error {{deduced as 'long' in declaration of 'i' and deduced as 'int' in declaration of 'j'}} |
| 42 | } |
| 43 | |
| 44 | void g() { |
| 45 | f<long>(); // expected-note {{here}} |
| 46 | f<int>(); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | namespace NoRepeatedDiagnostic { |
| 51 | template<typename T> |
| 52 | void f() { |
| 53 | auto a = 0, b = 0.0, c = T(); // expected-error {{deduced as 'int' in declaration of 'a' and deduced as 'double' in declaration of 'b'}} |
| 54 | } |
| 55 | // We've already diagnosed an issue. No extra diagnostics is needed for these. |
| 56 | template void f<int>(); |
| 57 | template void f<double>(); |
| 58 | template void f<char>(); |
| 59 | } |