JIT

GH-115869: Don't JIT zeroed bytes (GH-130023) #2779

Job	Run time
Interpreter (Debug)	8m 1s
Free-Threaded (Debug) (19)	12m 24s
i686-pc-windows-msvc/msvc (Debug)	19m 33s
i686-pc-windows-msvc/msvc (Release)	11m 57s
x86_64-pc-windows-msvc/msvc (Debug)	18m 8s
x86_64-pc-windows-msvc/msvc (Release)	11m 15s
aarch64-pc-windows-msvc/msvc (Debug)	5m 20s
aarch64-pc-windows-msvc/msvc (Release)	6m 44s
x86_64-apple-darwin/clang (Debug)	11m 26s
x86_64-apple-darwin/clang (Release)	11m 20s
aarch64-apple-darwin/clang (Debug)	9m 17s
aarch64-apple-darwin/clang (Release)	9m 7s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 49s
x86_64-unknown-linux-gnu/gcc (Release)	5m 52s
aarch64-unknown-linux-gnu/gcc (Debug)	5m 44s
aarch64-unknown-linux-gnu/gcc (Release)	4m 53s
	2h 39m 50s

Provide feedback