1 // RUN: %clang_cc1 -std=c++1z -verify %s
2
f()3 [[disable_tail_calls, noduplicate]] void f() {} // expected-warning {{unknown attribute 'disable_tail_calls'}} expected-warning {{unknown attribute 'noduplicate'}}
4
g()5 [[using clang: disable_tail_calls, noduplicate]] void g() {} // ok
6
7 [[using]] extern int n; // expected-error {{expected identifier}}
8 [[using foo
9 ] // expected-error {{expected ':'}}
10 ] extern int n;
11 [[using 42:]] extern int n; // expected-error {{expected identifier}}
12 [[using clang:]] extern int n; // ok
13 [[using blah: clang::optnone]] extern int n; // expected-error {{attribute with scope specifier cannot follow}} expected-warning {{only applies to functions}}
14
15 [[using clang: unknown_attr]] extern int n; // expected-warning {{unknown attribute}}
16 [[using unknown_ns: something]] extern int n; // expected-warning {{unknown attribute}}
17