JIT

gh-139757: Add BINARY_OP_SUBSCR_USTR_INT #4870

Job	Run time
Interpreter (Debug)	10m 58s
JIT without optimizations (Debug) (21)	12m 45s
JIT with tail calling interpreter (21)	4m 19s
Free-Threaded (Debug) (21)	15m 25s
aarch64-pc-windows-msvc/msvc (Release)	19m 7s
x86_64-apple-darwin/clang (Debug)	28m 4s
x86_64-apple-darwin/clang (Release)	20m 11s
aarch64-apple-darwin/clang (Debug)	14m 59s
i686-pc-windows-msvc/msvc (Debug)	22m 9s
x86_64-pc-windows-msvc/msvc (Debug)	25m 31s
x86_64-unknown-linux-gnu/gcc (Release)	8m 24s
aarch64-pc-windows-msvc/msvc (Debug)	29m 23s
i686-pc-windows-msvc/msvc (Release)	13m 26s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 35s
x86_64-pc-windows-msvc/msvc (Release)	13m 41s
aarch64-unknown-linux-gnu/gcc (Release)	6m 36s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 25s
aarch64-apple-darwin/clang (Release)	10m 28s
	4h 36m 26s

Provide feedback