1// RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify %s
2
3void f0() {}
4void fun0(void) __attribute((alias("f0")));
5
6void f1() {}
7void fun1() {} // expected-note {{previous definition}}
8void fun1(void) __attribute((alias("f1"))); // expected-error {{redefinition of 'fun1'}}
9
10void f2() {}
11void fun2(void) __attribute((alias("f2"))); // expected-note {{previous definition}}
12void fun2() {} // expected-error {{redefinition of 'fun2'}}
13
14void f3() {}
15void fun3(void) __attribute((alias("f3"))); // expected-note {{previous definition}}
16void fun3(void) __attribute((alias("f3"))); // expected-error {{redefinition of 'fun3'}}
17
18void f4() {}
19void fun4(void) __attribute((alias("f4")));
20void fun4(void);
21
22// FIXME: We should produce a special case error for this.
23void f5() {}
24void __attribute((alias("f5"))) fun5(void) {} // expected-error {{redefinition of 'fun5'}} // expected-note {{previous definition}}
25
26int var1 __attribute((alias("v1"))); // expected-error {{definition 'var1' cannot also be an alias}}
27static int var2 __attribute((alias("v2"))) = 2; // expected-error {{definition 'var2' cannot also be an alias}}
28
29extern int var3 __attribute__((alias("C"))); // expected-note{{previous definition is here}}
30int var3 = 3; // expected-error{{redefinition of 'var3'}}
31
32int var4; // expected-note{{previous definition is here}}
33extern int var4 __attribute__((alias("v4"))); // expected-error{{alias definition of 'var4' after tentative definition}}
34