1 // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify %s
2 
3 void f0() {}
4 void fun0(void) __attribute((alias("f0")));
5 
6 void f1() {}
7 void fun1() {} // expected-note {{previous definition}}
8 void fun1(void) __attribute((alias("f1"))); // expected-error {{redefinition of 'fun1'}}
9 
10 void f2() {}
11 void fun2(void) __attribute((alias("f2"))); // expected-note {{previous definition}}
12 void fun2() {} // expected-error {{redefinition of 'fun2'}}
13 
14 void f3() {}
15 void fun3(void) __attribute((alias("f3"))); // expected-note {{previous definition}}
16 void fun3(void) __attribute((alias("f3"))); // expected-error {{redefinition of 'fun3'}}
17 
18 void f4() {}
19 void fun4(void) __attribute((alias("f4")));
20 void fun4(void);
21 
22 // FIXME: We should produce a special case error for this.
23 void f5() {}
24 void __attribute((alias("f5"))) fun5(void) {} // expected-error {{redefinition of 'fun5'}} // expected-note {{previous definition}}
25 
26 int v1;
27 int var1 __attribute((alias("v1"))); // expected-note {{previous definition}}
28 int var1 __attribute((alias("v1"))); // expected-error {{redefinition of 'var1'}}
29 
30 int v2;
31 int var2 = 2; // expected-note {{previous definition}}
32 int var2 __attribute((alias("v2"))); // expected-error {{redefinition of 'var2'}}
33 
34 int v3;
35 int var3 __attribute((alias("v3"))); // expected-note {{previous definition}}
36 int var3 = 2; // expected-error {{redefinition of 'var3'}}
37 
38 int v4;
39 int var4; // expected-note {{previous definition}}
40 int var4 __attribute((alias("v4"))); // expected-error {{alias definition of 'var4' after tentative definition}}
41 
42 int v5;
43 int var5 __attribute((alias("v5"))); // expected-note {{previous definition}}
44 int var5; // expected-error {{tentative definition of 'var5' after alias definition}}
45