1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree.c b/gcc/tree.c
index dd8a6d4..c9d9e36 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -3314,7 +3314,7 @@ build_decl (code, name, type)
 
 tree
 build_block (vars, tags, subblocks, supercontext, chain)
-     tree vars, tags, subblocks, supercontext, chain;
+     tree vars, tags ATTRIBUTE_UNUSED, subblocks, supercontext, chain;
 {
   register tree block = make_node (BLOCK);