1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index ba95e15..23577a1 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -2483,6 +2483,8 @@ build1_stat (enum tree_code code, tree type, tree node MEM_STAT_DECL)
 	TREE_CONSTANT (t) = 1;
       if (TREE_CODE_CLASS (code) == '1' && node && TREE_INVARIANT (node))
 	TREE_INVARIANT (t) = 1;
+      if (TREE_CODE_CLASS (code) == 'r' && node && TREE_THIS_VOLATILE (node))
+	TREE_THIS_VOLATILE (t) = 1;
       break;
     }