diff options
Diffstat (limited to 'gcc/tree-eh.c')
| -rw-r--r-- | gcc/tree-eh.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/tree-eh.c b/gcc/tree-eh.c index 440ac0f..5faeefe 100644 --- a/gcc/tree-eh.c +++ b/gcc/tree-eh.c @@ -3473,6 +3473,29 @@ remove_unreachable_handlers (void) #endif } +/* Remove unreachable handlers if any landing pads have been removed after + last ehcleanup pass (due to gimple_purge_dead_eh_edges). */ + +void +maybe_remove_unreachable_handlers (void) +{ + eh_landing_pad lp; + int i; + + if (cfun->eh == NULL) + return; + + for (i = 1; VEC_iterate (eh_landing_pad, cfun->eh->lp_array, i, lp); ++i) + if (lp && lp->post_landing_pad) + { + if (label_to_block (lp->post_landing_pad) == NULL) + { + remove_unreachable_handlers (); + return; + } + } +} + /* Remove regions that do not have landing pads. This assumes that remove_unreachable_handlers has already been run, and that we've just manipulated the landing pads since then. */ |