From ffec546b0e522a647c7c2473c40dbe018156736d Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 10 Mar 2019 06:46:28 +0000
Subject: eval.c: clear internal errinfo

* eval.c (ruby_cleanup): clear internal error info when invoking
  end procs.  [ruby-core:91731] [Bug #15650]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67201 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_beginendblock.rb | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'test/ruby')

diff --git a/test/ruby/test_beginendblock.rb b/test/ruby/test_beginendblock.rb
index 9238a53354..eb8394864f 100644
--- a/test/ruby/test_beginendblock.rb
+++ b/test/ruby/test_beginendblock.rb
@@ -154,4 +154,26 @@ class TestBeginEndBlock < Test::Unit::TestCase
       end
     end;
   end
+
+  if defined?(fork)
+    def test_internal_errinfo_at_exit
+      # TODO: use other than break-in-fork to throw an internal
+      # error info.
+      error, pid, status = IO.pipe do |r, w|
+        pid = fork do
+          r.close
+          STDERR.reopen(w)
+          at_exit do
+            $!.class
+          end
+          break
+        end
+        w.close
+        [r.read, *Process.wait2(pid)]
+      end
+      assert_not_predicate(status, :success?)
+      assert_not_predicate(status, :signaled?)
+      assert_match(/unexpected break/, error)
+    end
+  end
 end
-- 
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