proc.c: fix method proc binding receiver

* proc.c (method_proc): the receiver of binding from method should
  be same as the receiver of the method.
  [ruby-core:65917] [Bug #10432]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

3 files changed, 20 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 69dca31c31..30a2513a61 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Oct 27 17:17:24 2014  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* proc.c (method_proc): the receiver of binding from method should
+	  be same as the receiver of the method.
+	  [ruby-core:65917] [Bug #10432]
+
 Mon Oct 27 16:26:37 2014  Koichi Sasada  <ko1@atdot.net>
 
 	* test/ruby/test_super.rb: add a test to check block passing.
diff --git a/proc.c b/proc.c
index 00512ec49c..a4b8c82a25 100644
--- a/proc.c
+++ b/proc.c
@@ -2365,7 +2365,10 @@ static VALUE
 method_proc(VALUE method)
 {
     VALUE procval;
+    struct METHOD *meth;
     rb_proc_t *proc;
+    rb_env_t *env;
+
     /*
      * class Method
      *   def to_proc
@@ -2375,9 +2378,16 @@ method_proc(VALUE method)
      *   end
      * end
      */
+    TypedData_Get_Struct(method, struct METHOD, &method_data_type, meth);
     procval = rb_iterate(mlambda, 0, bmcall, method);
     GetProcPtr(procval, proc);
     proc->is_from_method = 1;
+    proc->block.self = meth->recv;
+    proc->block.klass = meth->defined_class;
+    GetEnvPtr(proc->envval, env);
+    env->block.self = meth->recv;
+    env->block.klass = meth->defined_class;
+    env->block.iseq = method_get_iseq(meth->me->def);
     return procval;
 }
 
diff --git a/test/ruby/test_proc.rb b/test/ruby/test_proc.rb
index 28ba8c9b57..17778dfede 100644
--- a/test/ruby/test_proc.rb
+++ b/test/ruby/test_proc.rb
@@ -202,7 +202,10 @@ class TestProc < Test::Unit::TestCase
   def test_method_to_proc
     b = block()
     assert_equal "OK", b.call
-    assert_instance_of(Binding, b.binding, '[ruby-core:25589]')
+    b = b.binding
+    assert_instance_of(Binding, b, '[ruby-core:25589]')
+    bug10432 = '[ruby-core:65919] [Bug #10432]'
+    assert_same(self, b.receiver, bug10432)
   end
 
   def test_block_given_method