1 /* { dg-do compile } */
2 /* { dg-options "-fshow-column -std=gnu89" } */
3 /* test redeclarations with void and implicit int */
4 extern foo1(); /* { dg-message "8:note: previous declaration" } */
5 extern void foo1(); /* { dg-error "13:conflicting types" } */
6
7 extern void foo2(); /* { dg-message "13:note: previous declaration" } */
8 extern foo2(); /* { dg-error "8:conflicting types" } */
9
foo3()10 void foo3() {} /* { dg-message "6:note: previous definition" } */
11 extern foo3(); /* { dg-error "8:conflicting types" } */
12
13 extern foo4(); /* { dg-message "8:note: previous declaration" } */
foo4()14 void foo4() {} /* { dg-error "6:conflicting types" } */
15
16 extern void foo5(); /* { dg-message "13:note: previous declaration" } */
foo5()17 foo5() {} /* { dg-warning "1:conflicting types" } */
18
foo6()19 foo6() {} /* { dg-message "1:note: previous definition" } */
20 extern void foo6(); /* { dg-error "13:conflicting types" } */
21
foo7()22 foo7() {} /* { dg-message "1:note: previous definition" } */
foo7()23 void foo7() {} /* { dg-error "6:conflicting types" } */
24
foo8()25 void foo8() {} /* { dg-message "6:note: previous definition" } */
foo8()26 foo8() {} /* { dg-error "1:conflicting types" } */
27
use9()28 int use9() { foo9(); } /* { dg-message "note: previous implicit declaration" } */
29 extern void foo9(); /* { dg-warning "13:conflicting types" } */
30
use10()31 int use10() { foo10(); } /* { dg-message "note: previous implicit declaration" } */
foo10()32 void foo10() {} /* { dg-warning "6:conflicting types" } */
33
34