| 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 | |