95ce9fbc23
wchar_t can be signed (thus hasSignedIntegerRepresentation() returns true), but it doesn't have an unsigned type, which would lead to a crash when trying to get it. With this fix, we special-case WideChar types in the pointer assignment code. Differential Revision: https://reviews.llvm.org/D91625
42 lines
1004 B
C++
42 lines
1004 B
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
|
|
// RUN: %clang_cc1 -fsyntax-only -Wno-signed-unsigned-wchar -verify=allow-signed -DSKIP_ERROR_TESTS %s
|
|
// allow-signed-no-diagnostics
|
|
wchar_t x;
|
|
|
|
void f(wchar_t p) {
|
|
wchar_t x;
|
|
unsigned wchar_t y; // expected-error {{'wchar_t' cannot be signed or unsigned}}
|
|
signed wchar_t z; // expected-error {{'wchar_t' cannot be signed or unsigned}}
|
|
++x;
|
|
}
|
|
|
|
// PR4502
|
|
wchar_t const c = L'c';
|
|
int a[c == L'c' ? 1 : -1];
|
|
|
|
|
|
// PR5917
|
|
template<typename _CharT>
|
|
struct basic_string {
|
|
};
|
|
|
|
template<typename _CharT>
|
|
basic_string<_CharT> operator+ (const basic_string<_CharT>&, _CharT);
|
|
|
|
int t(void) {
|
|
basic_string<wchar_t>() + L'-';
|
|
return (0);
|
|
}
|
|
|
|
|
|
// rdar://8040728
|
|
wchar_t in[] = L"\x434" "\x434"; // No warning
|
|
|
|
#ifndef SKIP_ERROR_TESTS
|
|
// Verify that we do not crash when assigning wchar_t* to another pointer type.
|
|
void assignment(wchar_t *x) {
|
|
char *y;
|
|
y = x; // expected-error {{incompatible pointer types assigning to 'char *' from 'wchar_t *'}}
|
|
}
|
|
#endif
|