Richard Smith | 2fcf0de | 2013-04-19 20:47:20 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat-pedantic -verify %s |
| 2 | // RUN: %clang_cc1 -fsyntax-only -std=c++1y -DCXX1Y -Wc++98-compat -Werror %s |
Richard Smith | 661a996 | 2011-10-15 01:18:56 +0000 | [diff] [blame] | 3 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat-pedantic -verify %s |
Richard Smith | 7fe6208 | 2011-10-15 05:09:34 +0000 | [diff] [blame] | 4 | // RUN: %clang_cc1 -fsyntax-only -std=c++11 -Wc++98-compat -Werror %s |
Richard Smith | 661a996 | 2011-10-15 01:18:56 +0000 | [diff] [blame] | 5 | // RUN: %clang_cc1 -fsyntax-only -std=c++98 -Werror %s |
| 6 | |
| 7 | // -Wc++98-compat-pedantic warns on C++11 features which we accept without a |
| 8 | // warning in C++98 mode. |
| 9 | |
| 10 | #line 32767 // ok |
| 11 | #line 32768 // expected-warning {{#line number greater than 32767 is incompatible with C++98}} |
| 12 | |
| 13 | #define VA_MACRO(x, ...) x // expected-warning {{variadic macros are incompatible with C++98}} |
Richard Smith | 9f728cd | 2012-06-22 23:59:08 +0000 | [diff] [blame] | 14 | VA_MACRO(,x) // expected-warning {{empty macro arguments are incompatible with C++98}} |
Richard Smith | 7fe6208 | 2011-10-15 05:09:34 +0000 | [diff] [blame] | 15 | |
| 16 | ; // expected-warning {{extra ';' outside of a function is incompatible with C++98}} |
| 17 | |
| 18 | enum Enum { |
| 19 | Enum_value, // expected-warning {{commas at the end of enumerator lists are incompatible with C++98}} |
| 20 | }; |
Richard Smith | ebaf0e6 | 2011-10-18 20:49:44 +0000 | [diff] [blame] | 21 | |
| 22 | template<typename T> struct InstantiationAfterSpecialization {}; |
| 23 | template<> struct InstantiationAfterSpecialization<int> {}; // expected-note {{here}} |
| 24 | template struct InstantiationAfterSpecialization<int>; // expected-warning {{explicit instantiation of 'InstantiationAfterSpecialization<int>' that occurs after an explicit specialization is incompatible with C++98}} |
| 25 | |
| 26 | void *dlsym(); |
| 27 | void (*FnPtr)() = (void(*)())dlsym(); // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}} |
| 28 | void *FnVoidPtr = (void*)&dlsym; // expected-warning {{cast between pointer-to-function and pointer-to-object is incompatible with C++98}} |
| 29 | |
| 30 | struct ConvertToInt { |
| 31 | operator int(); |
| 32 | }; |
| 33 | int *ArraySizeConversion = new int[ConvertToInt()]; // expected-warning {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'int' is incompatible with C++98}} |
Richard Smith | 9324583 | 2011-10-20 18:35:58 +0000 | [diff] [blame] | 34 | |
| 35 | template<typename T> class ExternTemplate {}; |
| 36 | extern template class ExternTemplate<int>; // expected-warning {{extern templates are incompatible with C++98}} |
Dmitri Gribenko | e3b136b | 2012-09-24 18:19:21 +0000 | [diff] [blame] | 37 | |
| 38 | long long ll1 = // expected-warning {{'long long' is incompatible with C++98}} |
| 39 | -42LL; // expected-warning {{'long long' is incompatible with C++98}} |
| 40 | unsigned long long ull1 = // expected-warning {{'long long' is incompatible with C++98}} |
| 41 | 42ULL; // expected-warning {{'long long' is incompatible with C++98}} |
| 42 | |
Richard Smith | 2fcf0de | 2013-04-19 20:47:20 +0000 | [diff] [blame] | 43 | int k = 0b1001; |
| 44 | #ifdef CXX1Y |
| 45 | // expected-warning@-2 {{binary integer literals are incompatible with C++ standards before C++1y}} |
| 46 | #endif |
Richard Smith | 39b0e26 | 2013-04-20 23:28:26 +0000 | [diff] [blame] | 47 | |
| 48 | void f(int n) { int a[n]; } |
| 49 | #ifdef CXX1Y |
| 50 | // expected-warning@-2 {{arrays of runtime bound are incompatible with C++ standards before C++1y}} |
| 51 | #endif |