28 lines · cpp
1// RUN: %clang_cc1 -std=c++20 -verify %s -DCHAR8_T2// RUN: %clang_cc1 -std=c++20 -verify %s -fchar8_t -DCHAR8_T3// RUN: %clang_cc1 -std=c++17 -verify %s -fchar8_t -DCHAR8_T4 5// RUN: %clang_cc1 -std=c++17 -verify %s6// RUN: %clang_cc1 -std=c++17 -verify %s -fno-char8_t7// RUN: %clang_cc1 -std=c++20 -verify %s -fno-char8_t8// RUN: %clang_cc1 -x c -verify %s -fchar8_t9 10#if defined(__cpp_char8_t) != defined(CHAR8_T)11#error wrong setting for __cpp_char_t12#endif13 14#if defined(__cpp_char8_t) && __is_identifier(char8_t)15#error char8_t is an identifier under -fchar8_t16#endif17 18#if !defined(__cpp_char8_t) && !__is_identifier(char8_t)19#error char8_t is a keyword under -fno-char8_t20#endif21 22char8_t c8t;23#ifndef __cpp_char8_t24// expected-error@-2 {{unknown type}}25#else26// expected-no-diagnostics27#endif28