LocalJumpError: break from proc-closure on typo in debug prompt about debug HOT 2 CLOSED

[master]$ ruby target.rb
Run options: --seed 18748

# Running:

[1, 10] in target.rb
     1| require 'minitest/autorun'
     2| require 'debug'
     3|
     4| class FooTest < Minitest::Test
     5|   def test_foo
=>   6|     debugger
     7|     assert_equal 'foo', 'foo'
     8|   end
     9| end
    10|
=>#0    FooTest#test_foo at target.rb:6
  #1    block in run (3 levels) at ~/ruby/install/master/lib/ruby/gems/3.3.0+0/gems/minitest-5.20.0/lib/minitest/test.rb:94
  # and 20 frames (use `bt' command for all frames)
(rdbg) p x    # command
eval error: undefined local variable or method `x' for #<FooTest:0x00007fdea5f42cf8>
  (rdbg)/target.rb:1:in `test_foo'
=> nil
(rdbg) x
eval error: undefined local variable or method `x' for #<FooTest:0x00007fdea5f42cf8>
  (rdbg)/target.rb:1:in `test_foo'
nil

 > GEMS/timeout-0.3.2/lib/timeout.rb:113:in `sleep'
... timeout ...
 > GEMS/timeout-0.3.2/lib/timeout.rb:111:in `block in create_timeout_thread'
["DEBUGGER Exception: GEMS/debug-1.8.0/lib/debug/thread_client.rb:1251", #<LocalJumpError: break from proc-closure>, ["GEMS/debug-1.8.0/lib/debug/thread_client.rb:458:in `block in frame_eval'", "GEMS/debug-1.8.0/lib/debug/thread_client.rb:457:in `each'", "GEMS/debug-1.8.0/lib/debug/thread_client.rb:457:in `rescue in frame_eval'", "GEMS/debug-1.8.0/lib/debug/thread_client.rb:436:in `frame_eval'", "GEMS/debug-1.8.0/lib/debug/thread_client.rb:1043:in `wait_next_action_'", "GEMS/debug-1.8.0/lib/debug/thread_client.rb:866:in `wait_next_action'", "GEMS/debug-1.8.0/lib/debug/thread_client.rb:321:in `suspend'", "GEMS/debug-1.8.0/lib/debug/thread_client.rb:252:in `on_breakpoint'", "GEMS/debug-1.8.0/lib/debug/breakpoint.rb:69:in `suspend'", "GEMS/debug-1.8.0/lib/debug/breakpoint.rb:170:in `block in setup'", "GEMS/debug-1.8.0/lib/debug/session.rb:2616:in `debugger'", "test/my_test.rb:34:in `block (2 levels) in <main>'", "PROJ/test/minitest_should.rb:30:in `instance_exec'", ... minitest stack ...]]