JIT

gh-145857: Replace `DELETE_GLOBAL` with `PUSH_NULL; STORE_GLOBAL` #5621

Job	Run time
Interpreter (Debug)	12m 22s
JIT without optimizations (Debug)	3m 45s
aarch64-apple-darwin/clang (Release)	12m 21s
x86_64-apple-darwin/clang (Debug)	41m 19s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 12s
JIT with tail calling interpreter	4m 34s
x86_64-unknown-linux-gnu/gcc (Release)	9m 3s
aarch64-unknown-linux-gnu/gcc (Release)	6m 44s
Free-Threaded (Debug)	3m 36s
x86_64-apple-darwin/clang (Release)	36m 13s
x86_64-pc-windows-msvc/msvc (Release)	16m 31s
aarch64-pc-windows-msvc/msvc (Debug)	24m 14s
i686-pc-windows-msvc/msvc (Debug)	28m 9s
aarch64-apple-darwin/clang (Debug)	11m 49s
x86_64-pc-windows-msvc/msvc (Debug)	29m 20s
aarch64-pc-windows-msvc/msvc (Release)	17m 17s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 34s
i686-pc-windows-msvc/msvc (Release)	14m 53s
	4h 53m 56s

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