diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 9c89885d8a3..e0abefef6e1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2011-06-27  Eric Botcazou  <ebotcazou@adacore.com>
+
+	PR lto/48492
+	* dwarf2out.c (dwarf2out_finish): Do not attach a DIE on the limbo list
+	to a NULL parent.
+
 2011-06-27  Richard Guenther  <rguenther@suse.de>
 
 	PR tree-optimization/49394
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index 6d58a00dd63..63ac527c4af 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -25017,7 +25017,7 @@ dwarf2out_finish (const char *filename)
 	{
 	  dw_die_ref origin = get_AT_ref (die, DW_AT_abstract_origin);
 
-	  if (origin)
+	  if (origin && origin->die_parent)
 	    add_child_die (origin->die_parent, die);
 	  else if (is_cu_die (die))
 	    ;