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 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 24 int foo(int x) { 25 return foo1::foo2::foo3::foo(x); 26 } 27 28 namespace bar1 { 29 namespace bar2 { 30 namespace bar3 { 31 int bar(int x) { return x; } 32 } 33 } 34 } 35 36 int bar(int x) { 37 return bar1::bar2::bar3::bar(x); 38 } 39
