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Properly handle __cxa_pure_virtual visibility (PR lto/79760).

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2017-03-03  Jan Hubicka  <jh@suse.cz>

	PR lto/79760
	* ipa-devirt.c (maybe_record_node): Properly handle
	__cxa_pure_virtual visibility.

From-SVN: r245870
This commit is contained in:
Jan Hubicka 2017-03-03 12:58:03 +01:00 committed by Martin Liska
parent d78a1c01db
commit 8479ed2c47
2 changed files with 19 additions and 4 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2017-03-03 Jan Hubicka <jh@suse.cz>
PR lto/79760
* ipa-devirt.c (maybe_record_node): Properly handle
__cxa_pure_virtual visibility.
2017-03-03 Martin Liska <mliska@suse.cz>
PR tree-optimization/79803

17
gcc/ipa-devirt.c
View File

@ -2462,10 +2462,19 @@ maybe_record_node (vec <cgraph_node *> &nodes,
nodes.safe_push (target_node);
}
}
else if (completep
&& (!type_in_anonymous_namespace_p
(DECL_CONTEXT (target))
|| flag_ltrans))
else if (!completep)
;
/* We have definition of __cxa_pure_virtual that is not accessible (it is
optimized out or partitioned to other unit) so we can not add it. When
not sanitizing, there is nothing to do.
Otherwise declare the list incomplete. */
else if (pure_virtual)
{
if (flag_sanitize & SANITIZE_UNREACHABLE)
*completep = false;
}
else if (flag_ltrans
|| !type_in_anonymous_namespace_p (DECL_CONTEXT (target)))
*completep = false;
}