1 files changed, 1 insertions, 0 deletions
diff --git a/lib/irb/workspace.rb b/lib/irb/workspace.rb
index 5a3a4bc020..c6c328e7b5 100644
--- a/lib/irb/workspace.rb
+++ b/lib/irb/workspace.rb
@@ -128,6 +128,7 @@ EOF
     def filter_backtrace(bt)
       return nil if bt =~ /\/irb\/.*\.rb/
       return nil if bt =~ /\/irb\.rb/
+      return nil if bt =~ /tool\/lib\/.*\.rb|runner\.rb/ # for tests in Ruby repository
       case IRB.conf[:CONTEXT_MODE]
       when 1
         return nil if bt =~ %r!/tmp/irb-binding!