+
−/* Undefined nested function should be a error, whether or not the
+
−   function is called.  Bug 17807.  */
+
−/* Origin: Joseph Myers <joseph@codesourcery.com> */
+
−/* { dg-do compile } */
+
−/* { dg-options "" } */
+
−
+
−void
+
−f (void)
+
−{
+
−  auto int fn (int); /* { dg-error "nested function 'fn' declared but never defined" } */
+
−  auto int fn2 (int); /* { dg-error "nested function 'fn2' declared but never defined" } */
+
−  sizeof(fn(1));
+
−}
+
−
+
−void
+
−h (void)
+
−{
+
−  auto int hn (int); /* { dg-error "nested function 'hn' declared but never defined" } */
+
−  hn (1);
+
−}