nagachika	2018-03-21 01:21:06 +0900 (Wed, 21 Mar 2018)

  New Revision: 62866

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=62866

  Log:
    merge revision(s) 62115: [Backport #14421]
    
    proc: fix super_method segfault after bind
    
    * proc.c: handle undefined iclass
      [ruby-core:85231] [Bug #14421]
    
    From: Eric Wong <e@8...>

  Modified directories:
    branches/ruby_2_4/
  Modified files:
    branches/ruby_2_4/proc.c
    branches/ruby_2_4/test/ruby/test_method.rb
    branches/ruby_2_4/version.h
Index: ruby_2_4/version.h
===================================================================
--- ruby_2_4/version.h	(revision 62865)
+++ ruby_2_4/version.h	(revision 62866)
@@ -1,6 +1,6 @@ https://github.com/ruby/ruby/blob/trunk/ruby_2_4/version.h#L1
 #define RUBY_VERSION "2.4.4"
 #define RUBY_RELEASE_DATE "2018-03-21"
-#define RUBY_PATCHLEVEL 274
+#define RUBY_PATCHLEVEL 275
 
 #define RUBY_RELEASE_YEAR 2018
 #define RUBY_RELEASE_MONTH 3
Index: ruby_2_4/test/ruby/test_method.rb
===================================================================
--- ruby_2_4/test/ruby/test_method.rb	(revision 62865)
+++ ruby_2_4/test/ruby/test_method.rb	(revision 62866)
@@ -923,6 +923,11 @@ class TestMethod < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/ruby_2_4/test/ruby/test_method.rb#L923
     assert_equal(m1.source_location, m2.source_location, bug)
   end
 
+  def test_super_method_after_bind
+    assert_nil String.instance_method(:length).bind(String.new).super_method,
+      '[ruby-core:85231] [Bug #14421]'
+  end
+
   def rest_parameter(*rest)
     rest
   end
Index: ruby_2_4/proc.c
===================================================================
--- ruby_2_4/proc.c	(revision 62865)
+++ ruby_2_4/proc.c	(revision 62866)
@@ -2712,6 +2712,7 @@ method_super_method(VALUE method) https://github.com/ruby/ruby/blob/trunk/ruby_2_4/proc.c#L2712
 
     TypedData_Get_Struct(method, struct METHOD, &method_data_type, data);
     iclass = data->iclass;
+    if (!iclass) return Qnil;
     super_class = RCLASS_SUPER(RCLASS_ORIGIN(iclass));
     mid = data->me->called_id;
     if (!super_class) return Qnil;
Index: ruby_2_4
===================================================================
--- ruby_2_4	(revision 62865)
+++ ruby_2_4	(revision 62866)

Property changes on: ruby_2_4
___________________________________________________________________
Modified: svn:mergeinfo
## -0,0 +0,1 ##
   Merged /trunk:r62115

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