1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index b45dc19..4ef1441 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -2482,7 +2482,7 @@ build1 (code, type, node)
       break;
 
     default:
-      if (TREE_CODE_CLASS (code) == '1' && TREE_CONSTANT (node))
+      if (TREE_CODE_CLASS (code) == '1' && node && TREE_CONSTANT (node))
 	TREE_CONSTANT (t) = 1;
       break;
     }