Trivial optimization #243

Job	Run time
cargo test	51s
make (check, --enable-yjit, --yjit)	5m 50s
make (check, --enable-yjit=dev, --yjit-call-threshold=1 --yjit-verify-ctx --yjit-code-gc, -T --yj...	26m 35s
YJIT macOS Arm64 result	3s
	33m 19s

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