From 0c7d29dff68b4d85fbbc9c6f8c0328ddb303f000 Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby-lang.org>
Date: Fri, 7 Aug 2015 15:30:52 +0900
Subject: FIXABLE() may work wrong on MRB_INT64; fix #2909

---
 src/numeric.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/numeric.c b/src/numeric.c
index b9aef51d9..14c0b76a6 100644
--- a/src/numeric.c
+++ b/src/numeric.c
@@ -55,7 +55,8 @@ num_pow(mrb_state *mrb, mrb_value x)
   mrb_get_args(mrb, "o", &y);
   yv = mrb_to_flo(mrb, y);
   d = pow(mrb_to_flo(mrb, x), yv);
-  if (mrb_fixnum_p(x) && mrb_fixnum_p(y) && FIXABLE(d) && yv > 0)
+  if (mrb_fixnum_p(x) && mrb_fixnum_p(y) && FIXABLE(d) && yv > 0 && 
+      (d < 0 || (d > 0 && (mrb_int)d > 0)))
     return mrb_fixnum_value((mrb_int)d);
   return mrb_float_value(mrb, d);
 }
-- 
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