clang-tests/gcc-4_2-testsuite/src/g++.dg/warn/Wunused-8.C

// PR c++/16029
// { dg-options "-Wunused" }

int main ()
{
  // We should not see an "unused" warning about "whatever" on the
  // next line.
  return whatever (); // { dg-error "declared" }
}