1 | // RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat-pedantic -verify %s -DCXX1Y2 |
2 | // RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat -Werror %s -DCXX1Y2 |
3 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat-pedantic -verify %s |
4 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -Werror %s |
5 | // RUN: %clang_cc1 -fsyntax-only -std=c++98 -Werror %s -DCXX98 |
6 | |
7 | // RUN: %clang_cc1 -fsyntax-only -std=c++1y -Wc++98-compat-pedantic -verify %s -Wno-c++98-c++11-compat-pedantic -DCXX1Y2 |
8 | |
9 | // -Wc++98-compat-pedantic warns on C++11 features which we accept without a |
10 | // warning in C++98 mode. |
11 | |
12 | #line 32767 // ok |
13 | #line 32768 // expected-warning {{#line number greater than 32767 is incompatible with C++98}} |
14 | |
15 | #define VA_MACRO(x, ...) x // expected-warning {{variadic macros are incompatible with C++98}} |
16 | VA_MACRO(,x) // expected-warning {{empty macro arguments are incompatible with C++98}} |
17 | |
18 | ; // expected-warning {{extra ';' outside of a function is incompatible with C++98}} |
19 | |
20 | enum Enum { |
21 | Enum_value, // expected-warning {{commas at the end of enumerator lists are incompatible with C++98}} |
22 | }; |
23 | |
24 | void *dlsym(); |
25 | void (*FnPtr)() = (void(*)())dlsym(); // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}} |
26 | void *FnVoidPtr = (void*)&dlsym; // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}} |
27 | |
28 | struct ConvertToInt { |
29 | operator int(); |
30 | }; |
31 | int *ArraySizeConversion = new int[ConvertToInt()]; |
32 | #ifdef CXX1Y2 |
33 | // expected-warning@-2 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'size_t' is incompatible with C++98}} |
34 | #else |
35 | // expected-warning@-4 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'int' is incompatible with C++98}} |
36 | #endif |
37 | |
38 | template<typename T> class ExternTemplate {}; |
39 | extern template class ExternTemplate<int>; // expected-warning {{extern templates are incompatible with C++98}} |
40 | |
41 | long long ll1 = // expected-warning {{'long long' is incompatible with C++98}} |
42 | -42LL; // expected-warning {{'long long' is incompatible with C++98}} |
43 | unsigned long long ull1 = // expected-warning {{'long long' is incompatible with C++98}} |
44 | 42ULL; // expected-warning {{'long long' is incompatible with C++98}} |
45 | |
46 | int k = 0b1001; |
47 | #ifdef CXX1Y |
48 | // expected-warning@-2 {{binary integer literals are incompatible with C++ standards before C++14}} |
49 | #endif |
50 | |
51 | namespace CopyCtorIssues { |
52 | struct Private { |
53 | Private(); |
54 | private: |
55 | Private(const Private&); // expected-note {{declared private here}} |
56 | }; |
57 | struct NoViable { |
58 | NoViable(); // expected-note {{not viable}} |
59 | NoViable(NoViable&); // expected-note {{not viable}} |
60 | }; |
61 | struct Ambiguous { |
62 | Ambiguous(); |
63 | Ambiguous(const Ambiguous &, int = 0); // expected-note {{candidate}} |
64 | Ambiguous(const Ambiguous &, double = 0); // expected-note {{candidate}} |
65 | }; |
66 | struct Deleted { |
67 | Private p; // expected-note {{implicitly deleted}} |
68 | }; |
69 | |
70 | const Private &a = Private(); // expected-warning {{copying variable of type 'CopyCtorIssues::Private' when binding a reference to a temporary would invoke an inaccessible constructor in C++98}} |
71 | const NoViable &b = NoViable(); // expected-warning {{copying variable of type 'CopyCtorIssues::NoViable' when binding a reference to a temporary would find no viable constructor in C++98}} |
72 | #if !CXX98 |
73 | const Ambiguous &c = Ambiguous(); // expected-warning {{copying variable of type 'CopyCtorIssues::Ambiguous' when binding a reference to a temporary would find ambiguous constructors in C++98}} |
74 | #endif |
75 | const Deleted &d = Deleted(); // expected-warning {{copying variable of type 'CopyCtorIssues::Deleted' when binding a reference to a temporary would invoke a deleted constructor in C++98}} |
76 | } |
77 | |