gcc/testsuite/gcc.dg/20041213-1.c

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