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-rw-r--r--gcc/ipa-modref-tree.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/ipa-modref-tree.h b/gcc/ipa-modref-tree.h
index b37280d..8d7f286 100644
--- a/gcc/ipa-modref-tree.h
+++ b/gcc/ipa-modref-tree.h
@@ -496,7 +496,8 @@ struct GTY((user)) modref_tree
/* Copy OTHER to THIS. */
void copy_from (modref_tree <T> *other)
{
- merge (other, NULL);
+ auto_vec <modref_parm_map, 32> parm_map;
+ merge (other, &parm_map);
}
/* Search BASE in tree; return NULL if failed. */