JIT

gh-139757: Add BINARY_OP_SUBSCR_USTR_INT (GH-143389) #6900

Job	Run time
Interpreter (Debug)	11m 3s
JIT without optimizations (Debug) (21)	11m 59s
JIT with tail calling interpreter (21)	4m 8s
Free-Threaded (Debug) (21)	17m 9s
aarch64-pc-windows-msvc/msvc (Release)	18m 56s
i686-pc-windows-msvc/msvc (Release)	13m 45s
i686-pc-windows-msvc/msvc (Debug)	25m 21s
aarch64-pc-windows-msvc/msvc (Debug)	23m 7s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 36s
aarch64-apple-darwin/clang (Debug)	11m 57s
x86_64-unknown-linux-gnu/gcc (Release)	8m 18s
x86_64-pc-windows-msvc/msvc (Debug)	24m 42s
aarch64-apple-darwin/clang (Release)	10m 24s
x86_64-apple-darwin/clang (Debug)	32m 27s
x86_64-apple-darwin/clang (Release)	23m 20s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 23s
aarch64-unknown-linux-gnu/gcc (Release)	6m 39s
x86_64-pc-windows-msvc/msvc (Release)	13m 30s
	4h 37m 44s

Provide feedback