xref: /aosp_15_r20/external/clang/test/SemaCXX/redeclared-auto.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
2*67e74705SXin Li 
3*67e74705SXin Li extern int a;
4*67e74705SXin Li auto a = 0; // expected-note 2{{here}}
5*67e74705SXin Li auto a = 0; // expected-error {{redefinition}}
6*67e74705SXin Li int a = 0; // expected-error {{redefinition}}
7*67e74705SXin Li extern auto a; // expected-error {{requires an initializer}}
8*67e74705SXin Li 
9*67e74705SXin Li extern int b; // expected-note {{here}}
10*67e74705SXin Li auto b = 0.0; // expected-error {{different type}}
11*67e74705SXin Li 
12*67e74705SXin Li struct S {
13*67e74705SXin Li   static int a;
14*67e74705SXin Li   static int b; // expected-note {{here}}
15*67e74705SXin Li };
16*67e74705SXin Li 
17*67e74705SXin Li auto S::a = 0; // expected-note 2{{here}}
18*67e74705SXin Li auto S::a; // expected-error {{redefinition}} expected-error {{requires an initializer}}
19*67e74705SXin Li int S::a = 0; // expected-error {{redefinition}}
20*67e74705SXin Li 
21*67e74705SXin Li auto S::b = 0.0; // expected-error {{different type}}
22*67e74705SXin Li 
f()23*67e74705SXin Li void f() {
24*67e74705SXin Li   extern int a;
25*67e74705SXin Li   extern auto a; // expected-error {{requires an initializer}}
26*67e74705SXin Li }
27