1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -fsyntax-only -verify %s 2*67e74705SXin Li f0()3*67e74705SXin Livoid f0() {} 4*67e74705SXin Li void fun0(void) __attribute((alias("f0"))); 5*67e74705SXin Li f1()6*67e74705SXin Livoid f1() {} fun1()7*67e74705SXin Livoid fun1() {} // expected-note {{previous definition}} 8*67e74705SXin Li void fun1(void) __attribute((alias("f1"))); // expected-error {{redefinition of 'fun1'}} 9*67e74705SXin Li f2()10*67e74705SXin Livoid f2() {} 11*67e74705SXin Li void fun2(void) __attribute((alias("f2"))); // expected-note {{previous definition}} fun2()12*67e74705SXin Livoid fun2() {} // expected-error {{redefinition of 'fun2'}} 13*67e74705SXin Li f3()14*67e74705SXin Livoid f3() {} 15*67e74705SXin Li void fun3(void) __attribute((alias("f3"))); // expected-note {{previous definition}} 16*67e74705SXin Li void fun3(void) __attribute((alias("f3"))); // expected-error {{redefinition of 'fun3'}} 17*67e74705SXin Li f4()18*67e74705SXin Livoid f4() {} 19*67e74705SXin Li void fun4(void) __attribute((alias("f4"))); 20*67e74705SXin Li void fun4(void); 21*67e74705SXin Li 22*67e74705SXin Li // FIXME: We should produce a special case error for this. f5()23*67e74705SXin Livoid f5() {} fun5(void)24*67e74705SXin Livoid __attribute((alias("f5"))) fun5(void) {} // expected-error {{redefinition of 'fun5'}} // expected-note {{previous definition}} 25*67e74705SXin Li 26*67e74705SXin Li int var1 __attribute((alias("v1"))); // expected-error {{definition 'var1' cannot also be an alias}} 27*67e74705SXin Li static int var2 __attribute((alias("v2"))) = 2; // expected-error {{definition 'var2' cannot also be an alias}} 28*67e74705SXin Li 29*67e74705SXin Li extern int var3 __attribute__((alias("C"))); // expected-note{{previous definition is here}} 30*67e74705SXin Li int var3 = 3; // expected-error{{redefinition of 'var3'}} 31*67e74705SXin Li 32*67e74705SXin Li int var4; // expected-note{{previous definition is here}} 33*67e74705SXin Li extern int var4 __attribute__((alias("v4"))); // expected-error{{alias definition of 'var4' after tentative definition}} 34