gcc/testsuite/gcc.dg/pr35899.c

   1 /* PR tree-optimization/35899 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4
   5 int
   6 foo (void)
   7 {
   8   int a = bar ();       /* { dg-warning "previous implicit declaration" } */
   9   return a;
  10 }
  11
  12 void
  13 bar (void)              /* { dg-warning "conflicting types for" } */
  14 {
  15 }