* enum.c (enum_min, enum_max): must not return Qundef.

  fixed: [ruby-core:05299]


git-svn-id: http://svn.ruby-lang.org/repos/ruby/branches/ruby_1_8@8685 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 0 deletions

diff --git a/enum.c b/enum.c
index 102257fa7..a50de77a9 100644
--- a/enum.c
+++ b/enum.c
@@ -660,6 +660,7 @@ enum_min(obj)
     VALUE result = Qundef;
 
     rb_iterate(rb_each, obj, rb_block_given_p() ? min_ii : min_i, (VALUE)&result);
+    if (result == Qundef) return Qnil;
     return result;
 }
 
@@ -736,6 +737,7 @@ enum_max(obj)
     VALUE result = Qundef;
 
     rb_iterate(rb_each, obj, rb_block_given_p() ? max_ii : max_i, (VALUE)&result);
+    if (result == Qundef) return Qnil;
     return result;
 }