ko1	2015-08-04 15:35:31 +0900 (Tue, 04 Aug 2015)

  New Revision: 51480

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=51480

  Log:
    * proc.c (rb_block_clear_env_self): clear by Qfalse intead of Qnil.
      [Bug #11409]
    * test/ruby/test_eval.rb: add tests for this issue,
      written by @0x0dea.
      https://github.com/ruby/ruby/pull/988

  Modified files:
    trunk/ChangeLog
    trunk/proc.c
    trunk/test/ruby/test_eval.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 51479)
+++ ChangeLog	(revision 51480)
@@ -1,3 +1,12 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Tue Aug 04 15:30:04 2015  Koichi Sasada  <ko1@a...>
+
+	* proc.c (rb_block_clear_env_self): clear by Qfalse intead of Qnil.
+	  [Bug #11409]
+
+	* test/ruby/test_eval.rb: add tests for this issue,
+	  written by @0x0dea.
+	  https://github.com/ruby/ruby/pull/988
+
 Tue Aug  4 12:12:14 2015  Eric Wong  <e@8...>
 
 	* variable.c: wrap long lines
Index: proc.c
===================================================================
--- proc.c	(revision 51479)
+++ proc.c	(revision 51480)
@@ -670,7 +670,7 @@ rb_block_clear_env_self(VALUE proc) https://github.com/ruby/ruby/blob/trunk/proc.c#L670
     rb_env_t *env;
     GetProcPtr(proc, po);
     GetEnvPtr(rb_vm_proc_envval(po), env);
-    env->env[0] = Qnil;
+    env->env[0] = Qfalse;
     return proc;
 }
 
Index: test/ruby/test_eval.rb
===================================================================
--- test/ruby/test_eval.rb	(revision 51479)
+++ test/ruby/test_eval.rb	(revision 51480)
@@ -126,6 +126,10 @@ class TestEval < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_eval.rb#L126
     }
   end
 
+  def test_module_eval_block_symbol
+    assert_equal "Math", Math.module_eval(&:to_s)
+  end
+
   def forall_TYPE
     objects = [Object.new, [], nil, true, false] # TODO: check
     objects.each do |obj|
@@ -199,6 +203,12 @@ class TestEval < Test::Unit::TestCase https://github.com/ruby/ruby/blob/trunk/test/ruby/test_eval.rb#L203
     assert_equal self, pr.call
   end
 
+  def test_instance_eval_block_symbol
+    forall_TYPE do |o|
+      assert_equal o.to_s, o.instance_eval(&:to_s)
+    end
+  end
+
   def test_instance_eval_cvar
     [Object.new, [], 7, :sym, true, false, nil].each do |obj|
       assert_equal(13, obj.instance_eval("@@cvar"))

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