2 files changed, 6 insertions, 2 deletions
diff --git a/gcc/ipa-modref-tree.h b/gcc/ipa-modref-tree.h
index 0a09734..6796e6e 100644
--- a/gcc/ipa-modref-tree.h
+++ b/gcc/ipa-modref-tree.h
@@ -287,6 +287,11 @@ struct GTY((user)) modref_base_node
 
 struct modref_parm_map
 {
+  /* Default constructor.  */
+  modref_parm_map ()
+  : parm_index (MODREF_UNKNOWN_PARM), parm_offset_known (false), parm_offset ()
+  {}
+
   /* Index of parameter we translate to.
      Values from special_params enum are permitted too.  */
   int parm_index;
diff --git a/gcc/ipa-modref.c b/gcc/ipa-modref.c
index 2133431..57e2aa5 100644
--- a/gcc/ipa-modref.c
+++ b/gcc/ipa-modref.c
@@ -5030,8 +5030,7 @@ ipa_merge_modref_summary_after_inlining (cgraph_edge *edge)
       auto_vec <modref_parm_map, 32> parm_map;
       modref_parm_map chain_map;
       /* TODO: Once we get jump functions for static chains we could
-	 compute this.  */
-      chain_map.parm_index = MODREF_UNKNOWN_PARM;
+	 compute parm_index.  */
 
       compute_parm_map (edge, &parm_map);