Suppress warnings

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36765 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/net/http/response.rb

@@ -372,7 +372,7 @@ class Net::HTTPResponse
     def read clen, dest, ignore_eof = false
       temp_dest = inflate_adapter(dest)
 
-      data = @socket.read clen, temp_dest, ignore_eof
+      @socket.read clen, temp_dest, ignore_eof
     end
 
     ##

test/ruby/test_iseq.rb

@@ -17,7 +17,7 @@ class TestISeq < Test::Unit::TestCase
   end if defined?(RubyVM::InstructionSequence.load)
 
   def test_disasm_encoding
-    src = "\u{3042} = 1"
+    src = "\u{3042} = 1; \u{3042}"
     enc, Encoding.default_internal = Encoding.default_internal, src.encoding
     assert_equal(src.encoding, RubyVM::InstructionSequence.compile(src).disasm.encoding)
     src.encode!(Encoding::Shift_JIS)

test/rubygems/test_gem_specification.rb

@@ -39,6 +39,8 @@ end
 
   def setup
     super
+    @orig_yamler = YAML::ENGINE.yamler
+    YAML::ENGINE.yamler = 'psych'
 
     @a1 = quick_spec 'a', '1' do |s|
       s.executable = 'exec'
@@ -65,6 +67,11 @@ end
     load 'rubygems/syck_hack.rb'
   end
 
+  def teardown
+    super
+    YAML::ENGINE.yamler = @orig_yamler
+  end
+
   def test_self_attribute_names
     expected_value = %w[
       authors