// { dg-do compile }// { dg-options "-O2 -fdump-tree-optimized -Wunused-function" }// Check to see that unused functions get removed at -O2 and// above.static int foo (int bar);static int baz (int aaa);external_definition int ext (int bbb);foo{	return bar;}baz // { dg-warning "defined but not used" }{	return foo (aaa);}ext{	return foo (bbb);}// { dg-final { scan-tree-dump-not "baz" "optimized" } }// { dg-final { cleanup-tree-dump "optimized" } }