Fix shift operations to mask shift amount per JVM spec #661

Job	Run time
rust_ci (ubuntu-latest, beta)	20s
rust_ci (ubuntu-latest, stable)	10s
rust_ci (macos-latest, beta)	17s
rust_ci (windows-latest, stable)	12s
rust_ci (windows-latest, beta)	14s
rust_ci (macos-latest, stable)	18s
	1m 31s

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