merge revision(s) 53449: [Backport #11959]

	* thread.c (rb_thread_pending_interrupt_p): no pending interrupt
	  before initialization.

	* thread.c (thread_raise_m, rb_thread_kill): uninitialized thread
	  cannot interrupt.  [ruby-core:72732] [Bug #11959]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@56564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 2 deletions

diff --git a/test/ruby/test_thread.rb b/test/ruby/test_thread.rb
index 6ad33b83d4..97643947ad 100644
--- a/test/ruby/test_thread.rb
+++ b/test/ruby/test_thread.rb
@@ -748,9 +748,24 @@ _eom
   end
 
   def test_uninitialized
-    c = Class.new(Thread)
-    c.class_eval { def initialize; end }
+    c = Class.new(Thread) {def initialize; end}
     assert_raise(ThreadError) { c.new.start }
+
+    bug11959 = '[ruby-core:72732] [Bug #11959]'
+
+    c = Class.new(Thread) {def initialize; exit; end}
+    assert_raise(ThreadError, bug11959) { c.new }
+
+    c = Class.new(Thread) {def initialize; raise; end}
+    assert_raise(ThreadError, bug11959) { c.new }
+
+    c = Class.new(Thread) {
+      def initialize
+        pending = pending_interrupt?
+        super {pending}
+      end
+    }
+    assert_equal(false, c.new.value, bug11959)
   end
 
   def test_backtrace