// RUN: %clang_cc1 -std=c++1z -verify %s [[disable_tail_calls, noduplicate]] void f() {} // expected-warning {{unknown attribute 'disable_tail_calls'}} expected-warning {{unknown attribute 'noduplicate'}} [[using clang: disable_tail_calls, noduplicate]] void g() {} // ok [[using]] extern int n; // expected-error {{expected identifier}} [[using foo ] // expected-error {{expected ':'}} ] extern int n; [[using 42:]] extern int n; // expected-error {{expected identifier}} [[using clang:]] extern int n; // ok [[using blah: clang::optnone]] extern int n; // expected-error {{attribute with scope specifier cannot follow}} expected-warning {{only applies to functions}} [[using clang: unknown_attr]] extern int n; // expected-warning {{unknown attribute}} [[using unknown_ns: something]] extern int n; // expected-warning {{unknown attribute}} |