1 files changed, 6 insertions, 1 deletions
diff --git a/spec/ruby/core/thread/fixtures/classes.rb b/spec/ruby/core/thread/fixtures/classes.rb
index b572c8dd82..601e515e3e 100644
--- a/spec/ruby/core/thread/fixtures/classes.rb
+++ b/spec/ruby/core/thread/fixtures/classes.rb
@@ -120,7 +120,10 @@ module ThreadSpecs
   end
 
   def self.status_of_thread_with_uncaught_exception
-    t = Thread.new { raise "error" }
+    t = Thread.new {
+      Thread.current.report_on_exception = false
+      raise "error"
+    }
     begin
       t.join
     rescue RuntimeError
@@ -159,6 +162,7 @@ module ThreadSpecs
 
   def self.dying_thread_ensures(kill_method_name=:kill)
     Thread.new do
+      Thread.current.report_on_exception = false
       begin
         Thread.current.send(kill_method_name)
       ensure
@@ -169,6 +173,7 @@ module ThreadSpecs
 
   def self.dying_thread_with_outer_ensure(kill_method_name=:kill)
     Thread.new do
+      Thread.current.report_on_exception = false
       begin
         begin
           Thread.current.send(kill_method_name)