Revert "parse.y: remove "shadowing outer local variable" warning"

I forgot to add the copyright of the patch...

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ruby/test_rubyoptions.rb b/test/ruby/test_rubyoptions.rb
index 69521b1d23..4a26d6bfc7 100644
--- a/test/ruby/test_rubyoptions.rb
+++ b/test/ruby/test_rubyoptions.rb
@@ -782,6 +782,20 @@ class TestRubyOptions < Test::Unit::TestCase
     assert_in_out_err(["-w", "-"], "eval('a=1')", [], [], feature7730)
   end
 
+  def test_shadowing_variable
+    bug4130 = '[ruby-dev:42718]'
+    assert_in_out_err(["-we", "def foo\n""  a=1\n""  1.times do |a| end\n""  a\n""end"],
+                      "", [], ["-e:3: warning: shadowing outer local variable - a"], bug4130)
+    assert_in_out_err(["-we", "def foo\n""  a=1\n""  1.times do |a| end\n""end"],
+                      "", [],
+                      ["-e:3: warning: shadowing outer local variable - a",
+                       "-e:2: warning: assigned but unused variable - a",
+                      ], bug4130)
+    feature6693 = '[ruby-core:46160]'
+    assert_in_out_err(["-we", "def foo\n""  _a=1\n""  1.times do |_a| end\n""end"],
+                      "", [], [], feature6693)
+  end
+
   def test_script_from_stdin
     begin
       require 'pty'