Use correct binding in debug mode #3967

Job	Run time
Debug compatibility test	5m 52s
lint	12s
ruby-versions / Generate Ruby versions	3s
vterm-yamatanooroti 2.7 (latest reline)	1m 5s
rake test 2.7 (latest reline)	1m 30s
vterm-yamatanooroti 2.7	1m 13s
rake test 2.7	1m 27s
vterm-yamatanooroti 3.0 (latest reline)	1m 14s
rake test 3.0 (latest reline)	1m 32s
vterm-yamatanooroti 3.0	1m 7s
rake test 3.0	1m 23s
vterm-yamatanooroti 3.1 (latest reline)	1m 0s
rake test 3.1 (latest reline)	1m 26s
vterm-yamatanooroti 3.1	56s
rake test 3.1	1m 24s
vterm-yamatanooroti 3.2 (latest reline)	1m 1s
rake test 3.2 (latest reline)	1m 25s
vterm-yamatanooroti 3.2	50s
rake test 3.2	1m 26s
vterm-yamatanooroti 3.3 (latest reline)	1m 1s
vterm-yamatanooroti 3.3	1m 0s
vterm-yamatanooroti head (latest reline)	1m 19s
rake test 3.3 (latest reline)	1m 26s
vterm-yamatanooroti head	1m 7s
rake test 3.3	1m 23s
rake test head (latest reline)	1m 22s
rake test head	1m 24s
rake test truffleruby-head (latest reline)	2m 44s
rake test truffleruby-head	2m 40s
	41m 32s

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