| // { 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" } } |