1 // RUN: %clang_cc1 -fsyntax-only -verify %s
2 // RUN: %clang_cc1 -fsyntax-only -Wno-signed-unsigned-wchar -verify=allow-signed -DSKIP_ERROR_TESTS %s
3 // allow-signed-no-diagnostics
4 wchar_t x;
5
f(wchar_t p)6 void 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 // PR4502
14 wchar_t const c = L'c';
15 int a[c == L'c' ? 1 : -1];
16
17
18 // PR5917
19 template<typename _CharT>
20 struct basic_string {
21 };
22
23 template<typename _CharT>
24 basic_string<_CharT> operator+ (const basic_string<_CharT>&, _CharT);
25
t(void)26 int t(void) {
27 basic_string<wchar_t>() + L'-';
28 return (0);
29 }
30
31
32 // rdar://8040728
33 wchar_t in[] = L"\x434" "\x434"; // No warning
34
35 #ifndef SKIP_ERROR_TESTS
36 // Verify that we do not crash when assigning wchar_t* to another pointer type.
assignment(wchar_t * x)37 void assignment(wchar_t *x) {
38 char *y;
39 y = x; // expected-error {{incompatible pointer types assigning to 'char *' from 'wchar_t *'}}
40 }
41 #endif
42