| // RUN: %clang_cc1 -std=c++20 -verify %s -DCHAR8_T |
| // RUN: %clang_cc1 -std=c++20 -verify %s -fchar8_t -DCHAR8_T |
| // RUN: %clang_cc1 -std=c++17 -verify %s -fchar8_t -DCHAR8_T |
| |
| // RUN: %clang_cc1 -std=c++17 -verify %s |
| // RUN: %clang_cc1 -std=c++17 -verify %s -fno-char8_t |
| // RUN: %clang_cc1 -std=c++20 -verify %s -fno-char8_t |
| |
| #if defined(__cpp_char8_t) != defined(CHAR8_T) |
| #error wrong setting for __cpp_char_t |
| #endif |
| |
| #if defined(__cpp_char8_t) && __is_identifier(char8_t) |
| #error char8_t is an identifier under -fchar8_t |
| #endif |
| |
| #if !defined(__cpp_char8_t) && !__is_identifier(char8_t) |
| #error char8_t is a keyword under -fno-char8_t |
| #endif |
| |
| char8_t c8t; |
| #ifndef __cpp_char8_t |
| // expected-error@-2 {{unknown type}} |
| #else |
| // expected-no-diagnostics |
| #endif |
