JIT

GH-115869: Don't JIT zeroed bytes #2762

Job	Run time
Interpreter (Debug)	7m 47s
Free-Threaded (Debug) (19)	12m 11s
i686-pc-windows-msvc/msvc (Debug)	18m 10s
i686-pc-windows-msvc/msvc (Release)	12m 3s
x86_64-pc-windows-msvc/msvc (Debug)	18m 29s
x86_64-pc-windows-msvc/msvc (Release)	10m 57s
aarch64-pc-windows-msvc/msvc (Debug)	5m 12s
aarch64-pc-windows-msvc/msvc (Release)	6m 18s
x86_64-apple-darwin/clang (Debug)	11m 17s
x86_64-apple-darwin/clang (Release)	8m 34s
aarch64-apple-darwin/clang (Debug)	9m 11s
aarch64-apple-darwin/clang (Release)	8m 53s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 29s
x86_64-unknown-linux-gnu/gcc (Release)	5m 45s
aarch64-unknown-linux-gnu/gcc (Debug)	5m 39s
aarch64-unknown-linux-gnu/gcc (Release)	4m 50s
	2h 33m 45s

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