test

Simpler and faster check for the delegation fastpath #68

Job	Run time
ruby-versions / Generate Ruby versions	3s
build (2.5 / ubuntu-latest)	20s
build (2.4 / ubuntu-latest)	23s
build (2.7 / ubuntu-latest)	24s
build (2.6 / ubuntu-latest)	23s
build (2.7 / macos-latest)	33s
build (2.6 / macos-latest)	42s
build (3.0 / ubuntu-latest)	8s
build (3.0 / windows-latest)	55s
build (2.7 / windows-latest)	1m 31s
build (3.1 / macos-latest)	13s
build (3.0 / macos-latest)	12s
build (3.2 / ubuntu-latest)	12s
build (3.3 / ubuntu-latest)	12s
build (3.3 / macos-latest)	11s
build (3.2 / macos-latest)	13s
build (3.2 / windows-latest)	56s
build (3.1 / windows-latest)	56s
build (3.1 / ubuntu-latest)	7s
build (head / macos-latest)	14s
build (3.3 / windows-latest)	53s
build (3.4 / macos-latest)	11s
build (3.4 / ubuntu-latest)	8s
build (head / windows-latest)	49s
build (3.4 / windows-latest)	49s
build (head / ubuntu-latest)	8s
	11m 46s

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