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

1 files changed, 10 insertions, 0 deletions

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;
 }