gcc/testsuite/gcc.dg/funcdef-var-1.c

   1 /* Test ICE on defining function with a name previously declared as a
   2    nonfunction.  Bug 28299 from Bernhard Fischer
   3    <aldot@gcc.gnu.org>.  */
   4 /* { dg-do compile } */
   5 /* { dg-options "-Wmissing-prototypes" } */
   6
   7 extern __typeof(foo) foo __asm__(""); /* { dg-error "undeclared" } */
   8 /* { dg-error "previous declaration" "previous declaration" { target *-*-* } 7 } */
   9 void *foo (void) {} /* { dg-error "redeclared as different kind of symbol" } */
  10 /* { dg-warning "no previous prototype" "no previous prototype" { target *-*-* } 9 } */