proc.c: show the given name

* proc.c (method_inspect): show the given name primarily, and
  original_id if aliased.  [ruby-core:52048] [Bug #7806]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39222 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 21 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 7632d2a0e3..4e685098ac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Feb 13 18:10:09 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* proc.c (method_inspect): show the given name primarily, and
+	  original_id if aliased.  [ruby-core:52048] [Bug #7806]
+
 Wed Feb 13 17:56:39 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* configure.in (warnflags): disable -Werror by default unless
diff --git a/proc.c b/proc.c
index 21fd22d95e..6951562b27 100644
--- a/proc.c
+++ b/proc.c
@@ -1958,7 +1958,11 @@ method_inspect(VALUE method)
 	}
     }
     rb_str_buf_cat2(str, sharp);
-    rb_str_append(str, rb_id2str(data->me->def->original_id));
+    rb_str_append(str, rb_id2str(data->id));
+    if (data->id != data->me->def->original_id) {
+	rb_str_catf(str, "(%"PRIsVALUE")",
+		    rb_id2str(data->me->def->original_id));
+    }
     if (data->me->def->type == VM_METHOD_TYPE_NOTIMPLEMENTED) {
         rb_str_buf_cat2(str, " (not-implemented)");
     }
diff --git a/test/ruby/test_method.rb b/test/ruby/test_method.rb
index 03d7cab2d7..2ef37c4af6 100644
--- a/test/ruby/test_method.rb
+++ b/test/ruby/test_method.rb
@@ -189,6 +189,11 @@ class TestMethod < Test::Unit::TestCase
     assert_equal(class << o; self; end, m.owner)
     assert_equal(:foo, m.unbind.name)
     assert_equal(class << o; self; end, m.unbind.owner)
+    class << o
+      alias bar foo
+    end
+    m = o.method(:bar)
+    assert_equal(:bar, m.name)
   end
 
   def test_instance_method
@@ -311,6 +316,12 @@ class TestMethod < Test::Unit::TestCase
     c2.class_eval { private :foo }
     m2 = c2.new.method(:foo)
     assert_equal("#<Method: #{ c2.inspect }(#{ c.inspect })#foo>", m2.inspect)
+
+    bug7806 = '[ruby-core:52048] [Bug #7806]'
+    c3 = Class.new(c)
+    c3.class_eval { alias bar foo }
+    m3 = c3.new.method(:bar)
+    assert_equal("#<Method: #{ c3.inspect }#bar(foo)>", m3.inspect, bug7806)
   end
 
   def test_callee_top_level