merges r21780 from trunk into ruby_1_9_1.

* array.c (rb_ary_aset): fixed arguments evaluation order.

git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_9_1@21836 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1 deletions

diff --git a/array.c b/array.c
index 3994ce6e0..fb92c0f0b 100644
--- a/array.c
+++ b/array.c
@@ -1264,7 +1264,9 @@ rb_ary_aset(int argc, VALUE *argv, VALUE ary)
     long offset, beg, len;
 
     if (argc == 3) {
-	rb_ary_splice(ary, NUM2LONG(argv[0]), NUM2LONG(argv[1]), argv[2]);
+	beg = NUM2LONG(argv[0]);
+	len = NUM2LONG(argv[1]);
+	rb_ary_splice(ary, beg, len, argv[2]);
 	return argv[2];
     }
     if (argc != 2) {