* insns.def (opt_succ): use cast to shut a warning up.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12763 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 1 deletions

diff --git a/insns.def b/insns.def
index b22b76323a..066b0a4723 100644
--- a/insns.def
+++ b/insns.def
@@ -2304,7 +2304,7 @@ opt_succ
 	    const VALUE obj = INT2FIX(1);
 	    /* fixnum + INT2FIX(1) */
 	    val = (recv + (obj & (~1)));
-	    if ((~(recv ^ obj) & (recv ^ val)) & (LONG_MAX + 1)) {
+	    if ((~(recv ^ obj) & (recv ^ val)) & ((unsigned long)LONG_MAX + 1)) {
 		val = rb_big_plus(rb_int2big(FIX2LONG(recv)),
 				  rb_int2big(FIX2LONG(obj)));
 	    }