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-rw-r--r--ChangeLog6
-rw-r--r--array.c2
-rw-r--r--test/ruby/test_array.rb18
-rw-r--r--version.h2
4 files changed, 26 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index f03ef1433b..6ceb63411d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Oct 1 00:53:28 2016 Kazuki Tsujimoto <kazuki@callcc.net>
+
+ * array.c (flatten): use rb_obj_class instead of rb_class_of
+ because rb_class_of may return a singleton class.
+ [ruby-dev:49781] [Bug #12738]
+
Sat Oct 1 00:52:34 2016 Nobuyoshi Nakada <nobu@ruby-lang.org>
* man/irb.1: remove useless -width option.
diff --git a/array.c b/array.c
index c255e096ed..28e43c68c0 100644
--- a/array.c
+++ b/array.c
@@ -4383,7 +4383,7 @@ flatten(VALUE ary, int level, int *modified)
st_free_table(memo);
- RBASIC_SET_CLASS(result, rb_class_of(ary));
+ RBASIC_SET_CLASS(result, rb_obj_class(ary));
return result;
}
diff --git a/test/ruby/test_array.rb b/test/ruby/test_array.rb
index 8c8b63c4e2..32080bb756 100644
--- a/test/ruby/test_array.rb
+++ b/test/ruby/test_array.rb
@@ -784,6 +784,15 @@ class TestArray < Test::Unit::TestCase
assert_not_same(a8, a9)
end
+ def test_flattern_singleton_class
+ bug12738 = '[ruby-dev:49781] [Bug #12738]'
+ a = [[0]]
+ class << a
+ def m; end
+ end
+ assert_raise(NoMethodError, bug12738) { a.flatten.m }
+ end
+
def test_flatten!
a1 = @cls[ 1, 2, 3]
a2 = @cls[ 5, 6 ]
@@ -804,6 +813,15 @@ class TestArray < Test::Unit::TestCase
assert_nil(@cls[].flatten!(0), '[ruby-core:23382]')
end
+ def test_flattern_singleton_class!
+ bug12738 = '[ruby-dev:49781] [Bug #12738]'
+ a = [[0]]
+ class << a
+ def m; end
+ end
+ assert_nothing_raised(NameError, bug12738) { a.flatten!.m }
+ end
+
def test_flatten_with_callcc
need_continuation
o = Object.new
diff --git a/version.h b/version.h
index bdf363bd2d..99b8645b3f 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
#define RUBY_VERSION "2.2.6"
#define RUBY_RELEASE_DATE "2016-10-01"
-#define RUBY_PATCHLEVEL 374
+#define RUBY_PATCHLEVEL 375
#define RUBY_RELEASE_YEAR 2016
#define RUBY_RELEASE_MONTH 10