numeric.c: fix infinite loop

* numeric.c (int_pow): fix infinite loop in the case of y equal 1
  and power of x does not overflow.
  [ruby-core:91734] [Bug #15651]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 1 insertions, 0 deletions

diff --git a/numeric.c b/numeric.c
index a1090ff85d..4af829742a 100644
--- a/numeric.c
+++ b/numeric.c
@@ -3988,6 +3988,7 @@ int_pow(long x, unsigned long y)
     long z = 1;
 
     if (y == 0) return INT2FIX(1);
+    if (y == 1) return LONG2NUM(x);
     if (neg) x = -x;
     if (y & 1)
 	z = x;