diff --git a/gcc/doc/tree-ssa.texi b/gcc/doc/tree-ssa.texi
index f962ef9b1ee..38bae981736 100644
--- a/gcc/doc/tree-ssa.texi
+++ b/gcc/doc/tree-ssa.texi
@@ -227,7 +227,7 @@ all the operands for a statement:
 void
 print_ops (tree stmt)
 @{
-  ssa_op_iter;
+  ssa_op_iter iter;
   tree var;
 
   FOR_EACH_SSA_TREE_OPERAND (var, stmt, iter, SSA_OP_ALL_OPERANDS)