+
+2009-10-13 Basile Starynkevitch <basile@starynkevitch.net>
+ * passes.c (register_pass): Replaced gcc_unreachable by
+ fatal_error on failure. Mentions plugins in comments & messages.
+
2009-10-13 Jakub Jelinek <jakub@redhat.com>
PR target/41693
void
register_pass (struct register_pass_info *pass_info)
{
+ /* The checks below could fail in buggy plugins. Existing GCC
+ passes should never fail these checks, so we mention plugin in
+ the messages. */
if (!pass_info->pass)
- {
- gcc_unreachable ();
- }
+ fatal_error ("plugin cannot register a missing pass");
+
+ if (!pass_info->pass->name)
+ fatal_error ("plugin cannot register an unnamed pass");
if (!pass_info->reference_pass_name)
- {
- gcc_unreachable ();
- }
+ fatal_error
+ ("plugin cannot register pass %qs without reference pass name",
+ pass_info->pass->name);
- /* Try to insert the new pass to the pass lists. We need to check all
- three lists as the reference pass could be in one (or all) of them. */
+ /* Try to insert the new pass to the pass lists. We need to check
+ all three lists as the reference pass could be in one (or all) of
+ them. */
if (!position_pass (pass_info, &all_lowering_passes)
&& !position_pass (pass_info, &all_small_ipa_passes)
&& !position_pass (pass_info, &all_regular_ipa_passes)
&& !position_pass (pass_info, &all_lto_gen_passes)
&& !position_pass (pass_info, &all_passes))
- gcc_unreachable ();
+ fatal_error
+ ("pass %qs not found but is referenced by new pass %qs",
+ pass_info->reference_pass_name, pass_info->pass->name);
else
{
/* OK, we have successfully inserted the new pass. We need to register