cxx-attributes.cpp 1.0 KB

123456789101112131415161718192021222324
  1. // RUN: %clang_cc1 -fsyntax-only -verify %s
  2. class c {
  3. virtual void f1(const char* a, ...)
  4. __attribute__ (( __format__(__printf__,2,3) )) = 0;
  5. virtual void f2(const char* a, ...)
  6. __attribute__ (( __format__(__printf__,2,3) )) {}
  7. };
  8. template <typename T> class X {
  9. template <typename S> void X<S>::f() __attribute__((locks_excluded())); // expected-error{{nested name specifier 'X<S>::' for declaration does not refer into a class, class template or class template partial specialization}} \
  10. // expected-warning{{attribute locks_excluded ignored, because it is not attached to a declaration}}
  11. };
  12. namespace PR17666 {
  13. const int A = 1;
  14. typedef int __attribute__((__aligned__(A))) T1;
  15. int check1[__alignof__(T1) == 1 ? 1 : -1];
  16. typedef int __attribute__((aligned(int(1)))) T1;
  17. typedef int __attribute__((aligned(int))) T2; // expected-error {{expected '(' for function-style cast}}
  18. }
  19. __attribute((typename)) int x; // expected-warning {{unknown attribute 'typename' ignored}}