JIT

gh-145742: Manually emit _LOAD_FAST_BORROW to reduce stencil bloat #6092

Job	Run time
Interpreter (Debug)	12m 50s
x86_64-apple-darwin/clang (Release)	28m 58s
aarch64-apple-darwin/clang (Release)	15m 9s
JIT without optimizations (Debug)	3m 42s
Free-Threaded (Debug)	3m 43s
JIT with tail calling interpreter	4m 34s
x86_64-apple-darwin/clang (Debug)	28m 49s
aarch64-apple-darwin/clang (Debug)	12m 53s
x86_64-pc-windows-msvc/msvc (Release)	15m 19s
aarch64-unknown-linux-gnu/gcc (Release)	6m 52s
i686-pc-windows-msvc/msvc (Release)	14m 31s
aarch64-pc-windows-msvc/msvc (Debug)	26m 49s
i686-pc-windows-msvc/msvc (Debug)	28m 22s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 1s
x86_64-unknown-linux-gnu/gcc (Release)	8m 49s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 16s
x86_64-pc-windows-msvc/msvc (Debug)	28m 35s
aarch64-pc-windows-msvc/msvc (Release)	19m 47s
	4h 42m 59s

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