gcc/testsuite/gcc.dg/pr20368-1.c

   1 /* ICE with -Wstrict-prototypes and typeof an undeclared function.
   2    Bug 20368.  */
   3 /* { dg-do compile } */
   4 /* { dg-options "-Wstrict-prototypes" } */
   5
   6 extern __typeof (f) g; /* { dg-error "error: 'f' undeclared here \\(not in a function\\)" } */
   7
   8 int
   9 f (x)
  10      float x; /* { dg-warning "warning: function declaration isn't a prototype" } */
  11 {
  12 }