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dwarf2out.c (prune_unused_types): Handle unused top-level limbo dies.

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* dwarf2out.c (prune_unused_types): Handle unused top-level limbo
	dies.

From-SVN: r224391
This commit is contained in:
Jason Merrill 2015-06-11 13:33:40 -04:00 committed by Jason Merrill
parent 2d6f2dce79
commit 1eb231ed3f
2 changed files with 16 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-06-11 Jason Merrill <jason@redhat.com>
* dwarf2out.c (prune_unused_types): Handle unused top-level limbo
dies.
2015-06-11 Marek Polacek <polacek@redhat.com>
* match.pd ((x & y) ^ (x | y)): Don't check for single_use.

13
gcc/dwarf2out.c
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@ -23789,8 +23789,17 @@ prune_unused_types (void)
if (skeleton_debug_str_hash)
skeleton_debug_str_hash->empty ();
prune_unused_types_prune (comp_unit_die ());
for (node = limbo_die_list; node; node = node->next)
prune_unused_types_prune (node->die);
for (limbo_die_node **pnode = &limbo_die_list; *pnode; )
{
node = *pnode;
if (!node->die->die_mark)
*pnode = node->next;
else
{
prune_unused_types_prune (node->die);
pnode = &node->next;
}
}
for (ctnode = comdat_type_list; ctnode; ctnode = ctnode->next)
prune_unused_types_prune (ctnode->root_die);