// P2362R3 - Remove non-encodable wide character literals and multicharacter // wide character literals. // { dg-do compile } // { dg-options "-fshort-wchar" } char a = 'a'; int b = 'ab'; // { dg-warning "multi-character character constant" } int c = '\u05D9'; // { dg-warning "multi-character character constant" } #if __SIZEOF_INT__ > 2 int d = '\U0001F525'; // { dg-warning "multi-character character constant" "" { target int32 } } #endif int e = 'abcd'; // { dg-warning "multi-character character constant" } wchar_t f = L'f'; wchar_t g = L'gh'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++23 } } // { dg-warning "multi-character literal cannot have an encoding prefix" "" { target c++20_down } .-1 } wchar_t h = L'ijkl'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++23 } } // { dg-warning "multi-character literal cannot have an encoding prefix" "" { target c++20_down } .-1 } wchar_t i = L'\U0001F525'; // { dg-error "character not encodable in a single code unit" "" { target { c++23 } } } // { dg-warning "character not encodable in a single code unit" "" { target { c++20_down } } .-1 } #ifdef __cpp_char8_t typedef char8_t u8; #else typedef char u8; #endif #if __cpp_unicode_characters >= 201411 u8 j = u8'j'; u8 k = u8'kl'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++17 } } u8 l = u8'\U0001F525'; // { dg-error "character not encodable in a single code unit" "" { target c++17 } } #endif #if __cpp_unicode_characters >= 200704 char16_t m = u'm'; char16_t n = u'no'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++11 } } char16_t o = u'\u05D9'; char16_t p = u'\U0001F525'; // { dg-error "character not encodable in a single code unit" "" { target c++11 } } char32_t q = U'm'; char32_t r = U'no'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++11 } } char32_t s = U'\u05D9'; char32_t t = U'\U0001F525'; #endif wchar_t u = L'\u0065\u0301'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++23 } } // { dg-warning "multi-character literal cannot have an encoding prefix" "" { target c++20_down } .-1 } wchar_t v = L'é'; // { dg-error "multi-character literal cannot have an encoding prefix" "" { target c++23 } } // { dg-warning "multi-character literal cannot have an encoding prefix" "" { target c++20_down } .-1 }