proc.c: set ep properly

* proc.c (proc_new): link ep to calling block.
  [ruby-core:70980] [Bug #11566]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52036 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Mon Oct  5 15:34:56 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* proc.c (proc_new): link ep to calling block.
+	  [ruby-core:70980] [Bug #11566]
+
 Mon Oct  5 00:53:51 2015  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* dir.c (rb_dir_getwd): make ASCII-8BIT if filesystem encoding is

proc.c

@@ -601,6 +601,7 @@ proc_new(VALUE klass, int8_t is_lambda)
 	if (RUBY_VM_IFUNC_P(procval)) {
 	    VALUE newprocval = rb_proc_alloc(klass);
 	    rb_proc_t *proc = RTYPEDDATA_DATA(newprocval);
+	    proc->block = *block;
 	    proc->block.iseq = (rb_iseq_t *)procval;
 	    proc->block.proc = newprocval;
 	    return newprocval;

test/ruby/test_symbol.rb

@@ -117,18 +117,29 @@ class TestSymbol < Test::Unit::TestCase
       ary_ids = ary.collect{|x| x.object_id }
       assert_equal ary_ids, ary.collect(&:object_id)
     end
+  end
 
+  def test_to_proc_yield
     assert_ruby_status([], <<-"end;", timeout: 5.0)
       GC.stress = true
       true.tap(&:itself)
     end;
+  end
 
+  def test_to_proc_new_proc
     assert_ruby_status([], <<-"end;", timeout: 5.0)
       GC.stress = true
       2.times {Proc.new(&:itself)}
     end;
   end
 
+  def test_to_proc_no_method
+    assert_separately([], <<-"end;", timeout: 5.0)
+      bug11566 = '[ruby-core:70980] [Bug #11566]'
+      assert_raise(NoMethodError, bug11566) {Proc.new(&:foo).(1)}
+    end;
+  end
+
   def test_call
     o = Object.new
     def o.foo(x, y); x + y; end