/* { dg-do compile } */ /* { dg-options "-O2 -W -Wall" } */ /* PR c/13127 On the tree-ssa this used to warn about an anonymous uninitialized variable. The warning about "no return statement in function returning non-void" is PR 13000. */ static int foo (int a __attribute__((unused)) ) { } /* { dg-warning "no return statement" } */ int main (void) { return foo (0); }