diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 75c3ef358b84..008e36ab5ee8 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2015-04-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR debug/65771
+	* dwarf2out.c (mem_loc_descriptor): For CONST, fallback to
+	trying mem_loc_descriptor on XEXP (rtl, 0).
+
 2015-04-17  Martin Liska  <mliska@suse.cz>
 
 	* ipa-icf.c (sem_item_optimizer::subdivide_classes_by_sensitive_refs):
diff --git a/gcc/dwarf2out.c b/gcc/dwarf2out.c
index b34a3ed3d051..e57012063b6c 100644
--- a/gcc/dwarf2out.c
+++ b/gcc/dwarf2out.c
@@ -12799,7 +12799,12 @@ mem_loc_descriptor (rtx rtl, machine_mode mode,
 	}
 
       if (!const_ok_for_output (rtl))
-	break;
+	{
+	  if (GET_CODE (rtl) == CONST)
+	    mem_loc_result = mem_loc_descriptor (XEXP (rtl, 0), mode, mem_mode,
+						 initialized);
+	  break;
+	}
 
     symref:
       mem_loc_result = new_addr_loc_descr (rtl, dtprel_false);