1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 class c { 4 virtual void f1(const char* a, ...) 5 __attribute__ (( __format__(__printf__,2,3) )) = 0; 6 virtual void f2(const char* a, ...) 7 __attribute__ (( __format__(__printf__,2,3) )) {} 8 }; 9 10 template <typename T> class X { 11 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}} \ 12 // expected-warning{{attribute locks_excluded ignored, because it is not attached to a declaration}} 13 }; 14 15 namespace PR17666 { 16 const int A = 1; 17 typedef int __attribute__((__aligned__(A))) T1; 18 int check1[__alignof__(T1) == 1 ? 1 : -1]; 19 20 typedef int __attribute__((aligned(int(1)))) T1; 21 typedef int __attribute__((aligned(int))) T2; // expected-error {{expected '(' for function-style cast}} 22 } 23 24 __attribute((typename)) int x; // expected-warning {{unknown attribute 'typename' ignored}} 25 26 void fn() { 27 void (*__attribute__((attr)) fn_ptr)() = &fn; // expected-warning{{unknown attribute 'attr' ignored}} 28 void (*__attribute__((attrA)) *__attribute__((attrB)) fn_ptr_ptr)() = &fn_ptr; // expected-warning{{unknown attribute 'attrA' ignored}} expected-warning{{unknown attribute 'attrB' ignored}} 29 30 void (&__attribute__((attr)) fn_lref)() = fn; // expected-warning{{unknown attribute 'attr' ignored}} 31 void (&&__attribute__((attr)) fn_rref)() = fn; // expected-warning{{unknown attribute 'attr' ignored}} 32 33 int i[5]; 34 int (*__attribute__((attr(i[1]))) pi); // expected-warning{{unknown attribute 'attr' ignored}} 35 pi = &i[0]; 36 } 37 38 [[deprecated([""])]] int WrongArgs; // expected-error {{expected variable name or 'this' in lambda capture list}} 39 [[,,,,,]] int Commas1; // ok 40 [[,, maybe_unused]] int Commas2; // ok 41 [[maybe_unused,,,]] int Commas3; // ok 42 [[,,maybe_unused,]] int Commas4; // ok 43 [[foo bar]] int NoComma; // expected-error {{expected ','}} \ 44 // expected-warning {{unknown attribute 'foo' ignored}} 45 // expected-error@+2 2 {{expected ']'}} 46 // expected-error@+1 {{expected external declaration}} 47 [[foo 48