1 // RUN: %clang_cc1 %s -fsyntax-only -verify -std=c++11 2 typedef const struct __CFString * CFStringRef; 3 #define CFSTR __builtin___CFStringMakeConstantString 4 5 void f() { 6 (void)CFStringRef(CFSTR("Hello")); 7 } 8 9 void a() { __builtin_va_list x, y; ::__builtin_va_copy(x, y); } 10 11 // <rdar://problem/10063539> 12 template<int (*Compare)(const char *s1, const char *s2)> 13 int equal(const char *s1, const char *s2) { 14 return Compare(s1, s2) == 0; 15 } 16 // FIXME: Our error recovery here sucks 17 template int equal<&__builtin_strcmp>(const char*, const char*); // expected-error {{builtin functions must be directly called}} expected-error {{expected unqualified-id}} expected-error {{expected ')'}} expected-note {{to match this '('}} 18 19 // PR13195 20 void f2() { 21 __builtin_isnan; // expected-error {{builtin functions must be directly called}} 22 } 23 24 // pr14895 25 typedef __typeof(sizeof(int)) size_t; 26 extern "C" void *__builtin_alloca (size_t); 27 28 namespace addressof { 29 struct S {} s; 30 static_assert(__builtin_addressof(s) == &s, ""); 31 32 struct T { constexpr T *operator&() const { return nullptr; } int n; } t; 33 constexpr T *pt = __builtin_addressof(t); 34 static_assert(&pt->n == &t.n, ""); 35 36 struct U { int n : 5; } u; 37 int *pbf = __builtin_addressof(u.n); // expected-error {{address of bit-field requested}} 38 39 S *ptmp = __builtin_addressof(S{}); // expected-error {{taking the address of a temporary}} 40 } 41 42 void no_ms_builtins() { 43 __assume(1); // expected-error {{use of undeclared}} 44 __noop(1); // expected-error {{use of undeclared}} 45 __debugbreak(); // expected-error {{use of undeclared}} 46 } 47