2 files changed, 4 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index b08618c2be..efc83b0580 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,7 +1,9 @@
-Sat Jul 14 01:44:39 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+Sat Jul 14 02:25:48 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* numeric.c (int_pow): wrong overflow detection.  [ruby-dev:31213]
 
+	* numeric.c (int_pow): wrong overflow detection.  [ruby-dev:31215]
+
 Fri Jul 13 16:10:00 2007  Tanaka Akira  <akr@fsij.org>
 
 	* lib/open-uri.rb (URI::Generic#find_proxy): use ENV.to_hash to access
diff --git a/numeric.c b/numeric.c
index c4210279a4..2dc1dd18bf 100644
--- a/numeric.c
+++ b/numeric.c
@@ -2196,7 +2196,7 @@ int_pow(x, y)
     do {
 	while (y % 2 == 0) {
 	    long x2 = x * x;
-	    if (x2 < x || !POSFIXABLE(x2)) {
+	    if (x2/x != x || !POSFIXABLE(x2)) {
 		VALUE v;
 	      bignum:
 		v = rb_big_pow(rb_int2big(x), LONG2NUM(y));