* error.c (exc_equal): clear rb_thread_t::errinfo when ignore

  an exception under rb_protect(). [ruby-core:41979] [Bug #5865]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34301 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 19 insertions, 0 deletions

diff --git a/test/ruby/test_exception.rb b/test/ruby/test_exception.rb
index 22ac2aca1f..a44aef892b 100644
--- a/test/ruby/test_exception.rb
+++ b/test/ruby/test_exception.rb
@@ -379,6 +379,8 @@ end.join
     assert_nothing_raised(NameError, bug5575) do
       load(t.path)
     end
+  ensure
+    t.close(true) if t
   end
 
   def test_equal
@@ -386,4 +388,21 @@ end.join
     assert_equal(RuntimeError.new("a"), RuntimeError.new("a"), bug5865)
     assert_not_equal(RuntimeError.new("a"), StandardError.new("a"), bug5865)
   end
+
+  def test_exception_in_exception_equal
+    bug5865 = '[ruby-core:41979]'
+    t = Tempfile.new(["test_exception_in_exception_equal", ".rb"])
+    t.puts <<-EOC
+      o = Object.new
+      def o.exception(arg)
+      end
+      RuntimeError.new("a") == o
+    EOC
+    t.close
+    assert_nothing_raised(ArgumentError, bug5865) do
+      load(t.path)
+    end
+  ensure
+    t.close(true) if t
+  end
 end