* hash.c (rb_any_hash): shrinks all results in Fixnum range.

  [ruby-core:15713]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15672 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 6 insertions, 3 deletions

diff --git a/hash.c b/hash.c
index 578e4cd395..eca3e5c6a2 100644
--- a/hash.c
+++ b/hash.c
@@ -75,15 +75,16 @@ static int
 rb_any_hash(VALUE a)
 {
     VALUE hval;
+    int hnum;
 
     switch (TYPE(a)) {
       case T_FIXNUM:
       case T_SYMBOL:
-	return (int)a;
+	hnum = (int)a;
 	break;
 
       case T_STRING:
-	return rb_str_hash(a);
+	hnum = rb_str_hash(a);
 	break;
 
       default:
@@ -91,8 +92,10 @@ rb_any_hash(VALUE a)
 	if (!FIXNUM_P(hval)) {
 	    hval = rb_funcall(hval, '%', 1, INT2FIX(536870923));
 	}
-	return (int)FIX2LONG(hval);
+	hnum = (int)FIX2LONG(hval);
     }
+    hnum <<= 1;
+    return RSHIFT(hnum, 1);
 }
 
 static const struct st_hash_type objhash = {