1 // RUN: %clang_cc1 -triple x86_64-pc-linux -fsyntax-only -verify -emit-llvm-only %s 2 3 void f1(void) __attribute__((alias("g1"))); 4 void g1(void) { 5 } 6 7 void f2(void) __attribute__((alias("g2"))); // expected-error {{alias must point to a defined variable or function}} 8 9 10 void f3(void) __attribute__((alias("g3"))); // expected-error {{alias must point to a defined variable or function}} 11 void g3(void); 12 13 14 void f4() __attribute__((alias("g4"))); 15 void g4() {} 16 void h4() __attribute__((alias("f4"))); 17 18 void f5() __attribute__((alias("g5"))); 19 void h5() __attribute__((alias("f5"))); 20 void g5() {} 21 22 void g6() {} 23 void f6() __attribute__((alias("g6"))); 24 void h6() __attribute__((alias("f6"))); 25 26 void g7() {} 27 void h7() __attribute__((alias("f7"))); 28 void f7() __attribute__((alias("g7"))); 29 30 void h8() __attribute__((alias("f8"))); 31 void g8() {} 32 void f8() __attribute__((alias("g8"))); 33 34 void h9() __attribute__((alias("f9"))); 35 void f9() __attribute__((alias("g9"))); 36 void g9() {} 37 38 void f10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}} 39 void g10() __attribute__((alias("f10"))); // expected-error {{alias definition is part of a cycle}} 40 41 // FIXME: This could be a bit better, h10 is not part of the cycle, it points 42 // to it. 43 void h10() __attribute__((alias("g10"))); // expected-error {{alias definition is part of a cycle}} 44 45 extern int a1 __attribute__((alias("b1"))); 46 int b1 = 42; 47 48 extern int a2 __attribute__((alias("b2"))); // expected-error {{alias must point to a defined variable or function}} 49 50 extern int a3 __attribute__((alias("b3"))); // expected-error {{alias must point to a defined variable or function}} 51 extern int b3; 52 53 extern int a4 __attribute__((alias("b4"))); // expected-error {{alias must point to a defined variable or function}} 54 typedef int b4; 55