* range.c: fix SEGV by ("a" .. "z").step(2 ** 30) { }.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@15325 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 2 deletions

diff --git a/range.c b/range.c
index 7999283b9..cc254d660 100644
--- a/range.c
+++ b/range.c
@@ -252,8 +252,7 @@ step_i(VALUE i, void *arg)
 	iter[0] -= INT2FIX(1) & ~FIXNUM_FLAG;
     }
     else {
-	VALUE one = INT2FIX(1);
-	iter[0] = rb_funcall(iter[0], '-', 1, &one);
+	iter[0] = rb_funcall(iter[0], '-', 1, INT2FIX(1));
     }
     if (iter[0] == INT2FIX(0)) {
 	rb_yield(i);