41 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -verify %s2// RUN: %clang_cc1 -fsyntax-only -Wno-signed-unsigned-wchar -verify=allow-signed -DSKIP_ERROR_TESTS %s3// allow-signed-no-diagnostics4wchar_t x;5 6void f(wchar_t p) {7 wchar_t x;8 unsigned wchar_t y; // expected-error {{'wchar_t' cannot be signed or unsigned}}9 signed wchar_t z; // expected-error {{'wchar_t' cannot be signed or unsigned}}10 ++x;11}12 13// PR450214wchar_t const c = L'c';15int a[c == L'c' ? 1 : -1];16 17 18// PR591719template<typename _CharT>20struct basic_string {21};22 23template<typename _CharT>24basic_string<_CharT> operator+ (const basic_string<_CharT>&, _CharT);25 26int t(void) {27 basic_string<wchar_t>() + L'-';28 return (0);29}30 31 32wchar_t in[] = L"\x434" "\x434"; // No warning33 34#ifndef SKIP_ERROR_TESTS35// Verify that we do not crash when assigning wchar_t* to another pointer type.36void assignment(wchar_t *x) {37 char *y;38 y = x; // expected-error {{incompatible pointer types assigning to 'char *' from 'wchar_t *'}}39}40#endif41