gcc-4.9/gcc/testsuite/g++.dg/warn/incomplete2.C


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// PR c++/33501
// { dg-do compile }

class A;	// { dg-error "forward declaration" }

int f (A);			// { dg-error "initializing" }
const A &make ();

int
main ()
{
  return f (make ());	// { dg-error "invalid use of incomplete type" }
}