JIT

gh-148078: Fix uses of sym_is_not_null in JIT optimizer (GH-148079) #5845

Job	Run time
Interpreter (Debug)	12m 0s
Free-Threaded (Debug)	3m 50s
JIT without optimizations (Debug)	3m 41s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 6s
x86_64-unknown-linux-gnu/gcc (Release)	8m 42s
aarch64-apple-darwin/clang (Release)	11m 18s
aarch64-apple-darwin/clang (Debug)	12m 42s
JIT with tail calling interpreter	4m 51s
x86_64-apple-darwin/clang (Release)	27m 6s
aarch64-unknown-linux-gnu/gcc (Release)	6m 50s
x86_64-apple-darwin/clang (Debug)	52m 2s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 18s
aarch64-pc-windows-msvc/msvc (Release)	17m 49s
x86_64-pc-windows-msvc/msvc (Release)	14m 23s
x86_64-pc-windows-msvc/msvc (Debug)	23m 57s
i686-pc-windows-msvc/msvc (Debug)	29m 29s
i686-pc-windows-msvc/msvc (Release)	15m 15s
aarch64-pc-windows-msvc/msvc (Debug)	24m 41s
	4h 52m 0s

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