llvm-project
38 строк · 978.0 Байт
1// RUN: cp %s %t
2// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++98
3// RUN: not %clang_cc1 -x c++ -std=c++14 -fixit %t -Werror -DFIXIT
4// RUN: %clang_cc1 -x c++ -std=c++14 %t -DFIXIT
5// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++17 -Wc++14-compat
6
7namespace foo1::foo2::foo3 {8#if __cplusplus <= 201400L9// expected-warning@-2 {{nested namespace definition is a C++17 extension; define each namespace separately}}
10#else11// expected-warning@-4 {{nested namespace definition is incompatible with C++ standards before C++17}}
12#endif13int foo(int x) { return x; }14}
15
16#ifndef FIXIT17inline namespace goo::bar { // expected-error {{nested namespace definition cannot be 'inline'}} expected-warning 0-1{{C++11 feature}}18int n;19}
20
21int m = goo::bar::n;22#endif23
24int foo(int x) {25return foo1::foo2::foo3::foo(x);26}
27
28namespace bar1 {29namespace bar2 {30namespace bar3 {31int bar(int x) { return x; }32}33}34}
35
36int bar(int x) {37return bar1::bar2::bar3::bar(x);38}
39