JIT

GH-115869: Don't JIT zeroed bytes #2760

Job	Run time
Interpreter (Debug)	7m 45s
Free-Threaded (Debug) (19)	12m 19s
i686-pc-windows-msvc/msvc (Debug)	19m 4s
i686-pc-windows-msvc/msvc (Release)	11m 17s
x86_64-pc-windows-msvc/msvc (Debug)	18m 18s
x86_64-pc-windows-msvc/msvc (Release)	11m 17s
aarch64-pc-windows-msvc/msvc (Debug)	5m 20s
aarch64-pc-windows-msvc/msvc (Release)	5m 37s
x86_64-apple-darwin/clang (Debug)	11m 40s
x86_64-apple-darwin/clang (Release)	8m 28s
aarch64-apple-darwin/clang (Debug)	9m 59s
aarch64-apple-darwin/clang (Release)	8m 53s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 29s
x86_64-unknown-linux-gnu/gcc (Release)	5m 42s
aarch64-unknown-linux-gnu/gcc (Debug)	5m 45s
aarch64-unknown-linux-gnu/gcc (Release)	5m 1s
	2h 34m 54s

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