https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69513
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2016-01-28
CC| |ebotcazou at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
That's a long-standing issue with LTO and Ada. At AdaCore we use:
Index: dwarf2out.c
===================================================================
--- dwarf2out.c (revision 232884)
+++ dwarf2out.c (working copy)
@@ -27261,12 +27261,12 @@ optimize_location_lists (dw_die_ref die)
static void
flush_limbo_die_list (void)
{
- limbo_die_node *node, *next_node;
+ limbo_die_node *node = limbo_die_list;
+ limbo_die_list = NULL;
- for (node = limbo_die_list; node; node = next_node)
+ while (node)
{
dw_die_ref die = node->die;
- next_node = node->next;
if (die->die_parent == NULL)
{
@@ -27303,9 +27303,18 @@ flush_limbo_die_list (void)
add_child_die (origin, die);
}
}
- }
- limbo_die_list = NULL;
+ node = node->next;
+
+ /* get_context_die calls force_decl_die, which can put new DIEs on the
+ limbo list in LTO mode when nested functions are put in a different
+ partition than that of their parent function. */
+ if (node == NULL && in_lto_p && limbo_die_list != NULL)
+ {
+ node = limbo_die_list;
+ limbo_die_list = NULL;
+ }
+ }
}
/* Output stuff that dwarf requires at the end of every file,
