test

Refactoring with option in parser.y #1444

Job	Run time
check-misc (head)	9s
steep-check (head)	16s
test-memory (head)	36s
test-ruby (head, master)	6m 5s
test-ruby (3.0, master)	6m 6s
test-windows (head)	1m 41s
ruby-versions / Generate Ruby versions	2s
test-cpp (head, g++)	12s
test (2.5)	24s
test-cpp (head, clang++)	15s
test (2.6)	26s
test (2.7)	28s
test (3.0)	17s
test (3.1)	15s
test (3.2)	12s
test (3.3)	15s
test (head)	16s
	17m 55s

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