* array.c (rb_ary_sort_bang): remove SEGV when replacing array with

  embedded one during sort.

* test/ruby/test_array.rb (test_sort!): add tests for above.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20048 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 0 deletions

diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 862385236e..820166a0a3 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -1157,6 +1157,14 @@ class TestArray < Test::Unit::TestCase
 
     assert_equal(@cls[1], @cls[1].sort!)
     assert_equal(@cls[], @cls[].sort!)
+
+    a = @cls[4, 3, 2, 1]
+    a.sort! {|m, n| a.replace([9, 8, 7, 6]); m <=> n }
+    assert_equal([1, 2, 3, 4], a)
+
+    a = @cls[4, 3, 2, 1]
+    a.sort! {|m, n| a.replace([9, 8, 7]); m <=> n }
+    assert_equal([1, 2, 3, 4], a)
   end
 
   def test_sort_with_callcc