1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 namespace N { }; 4 5 namespace A = N; 6 7 int B; // expected-note {{previous definition is here}} 8 namespace B = N; // expected-error {{redefinition of 'B' as different kind of symbol}} 9 10 namespace C { } // expected-note {{previous definition is here}} 11 namespace C = N; // expected-error {{redefinition of 'C'}} 12 13 int i; 14 namespace D = i; // expected-error {{expected namespace name}} 15 16 namespace E = N::Foo; // expected-error {{expected namespace name}} 17 18 namespace F { 19 namespace A { namespace B { } } // expected-note {{candidate found by name lookup is 'F::A::B'}} 20 namespace B { } // expected-note {{candidate found by name lookup is 'F::B'}} 21 using namespace A; 22 namespace D = B; // expected-error {{reference to 'B' is ambiguous}} 23 } 24 25 namespace G { 26 namespace B = N; 27 } 28 29 namespace H { 30 namespace A1 { } 31 namespace A2 { } 32 33 // These all point to A1. 34 namespace B = A1; // expected-note {{previous definition is here}} 35 namespace B = A1; 36 namespace C = B; 37 namespace B = C; 38 39 namespace B = A2; // expected-error {{redefinition of 'B' as different kind of symbol}} 40 } 41 42 namespace I { 43 namespace A1 { int i; } 44 45 namespace A2 = A1; 46 } 47 48 int f() { 49 return I::A2::i; 50 } 51 52 namespace J { 53 namespace A { 54 namespace B { void func (); } 55 } 56 57 namespace C = A; 58 59 using namespace C::B; 60 61 void g() { 62 func(); 63 } 64 } 65