17 lines · cpp
1// RUN: %clang_cc1 -std=c++1z -verify %s2 3[[disable_tail_calls, noduplicate]] void f() {} // expected-warning {{unknown attribute 'disable_tail_calls'}} expected-warning {{unknown attribute 'noduplicate'}}4 5[[using clang: disable_tail_calls, noduplicate]] void g() {} // ok6 7[[using]] extern int n; // expected-error {{expected identifier}}8[[using foo9] // expected-error {{expected ':'}}10] extern int n;11[[using 42:]] extern int n; // expected-error {{expected identifier}}12[[using clang:]] extern int n; // ok13[[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