JIT

gh-143117: Constant fold LOAD_FAST_BORROW when possible #4929

Job	Run time
Interpreter (Debug)	11m 1s
JIT with tail calling interpreter (21)	4m 14s
JIT without optimizations (Debug) (21)	13m 26s
Free-Threaded (Debug) (21)	16m 45s
i686-pc-windows-msvc/msvc (Release)	13m 31s
x86_64-pc-windows-msvc/msvc (Debug)	25m 13s
x86_64-apple-darwin/clang (Release)	26m 56s
aarch64-pc-windows-msvc/msvc (Release)	17m 26s
aarch64-pc-windows-msvc/msvc (Debug)	24m 48s
x86_64-pc-windows-msvc/msvc (Release)	13m 30s
x86_64-apple-darwin/clang (Debug)	29m 23s
i686-pc-windows-msvc/msvc (Debug)	26m 30s
aarch64-unknown-linux-gnu/gcc (Release)	6m 37s
x86_64-unknown-linux-gnu/gcc (Release)	8m 29s
aarch64-apple-darwin/clang (Debug)	13m 43s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 40s
aarch64-apple-darwin/clang (Release)	10m 50s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 43s
	4h 43m 45s

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