1 // RUN: cp %s %t
2 // RUN: %clang_cc1 -fsyntax-only -verify %s
3 // RUN: not %clang_cc1 -x c++ -fixit %t -Werror -DFIXIT
4 // RUN: %clang_cc1 -x c++ %t -DFIXIT
5 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++1z -Wc++14-compat
6
7 namespace foo1::foo2::foo3 {
8 #if __cplusplus <= 201400L
9 // expected-warning@-2 {{nested namespace definition is a C++1z extension; define each namespace separately}}
10 #else
11 // expected-warning@-4 {{nested namespace definition is incompatible with C++ standards before C++1z}}
12 #endif
foo(int x)13 int foo(int x) { return x; }
14 }
15
16 #ifndef FIXIT
17 inline namespace goo::bar { // expected-error {{nested namespace definition cannot be 'inline'}} expected-warning 0-1{{C++11 feature}}
18 int n;
19 }
20
21 int m = goo::bar::n;
22 #endif
23
foo(int x)24 int foo(int x) {
25 return foo1::foo2::foo3::foo(x);
26 }
27
28 namespace bar1 {
29 namespace bar2 {
30 namespace bar3 {
bar(int x)31 int bar(int x) { return x; }
32 }
33 }
34 }
35
bar(int x)36 int bar(int x) {
37 return bar1::bar2::bar3::bar(x);
38 }
39