[PATCH] Fix release checking bootstrap

[Richard Biener]

Committed.

Richard.

2018-10-25  Richard Biener  <rguent...@suse.de>

        * tree-vect-data-refs.c (vect_analyze_data_ref_accesses):
        Initialize ng to silence error with release checking bootstrap.

Index: gcc/tree-vect-data-refs.c
===================================================================
--- gcc/tree-vect-data-refs.c   (revision 265489)
+++ gcc/tree-vect-data-refs.c   (working copy)
@@ -3001,7 +3001,7 @@ vect_analyze_data_ref_accesses (vec_info
          Note this is a heuristic but one with the property that *it
         is fixed up completely.  */
       g = grp;
-      stmt_vec_info newgroup = NULL, ng;
+      stmt_vec_info newgroup = NULL, ng = grp;
       while ((next = DR_GROUP_NEXT_ELEMENT (g)))
        {
          if (gimple_uid (STMT_VINFO_STMT (next)) >= first_duplicate)