JIT

gh-131798: JIT: Narrow the return type of `_BINARY_OP_SUBSCR_STR_INT` to `str` #3111

Job	Run time
Interpreter (Debug)	8m 57s
Free-Threaded (Debug) (19)	13m 41s
i686-pc-windows-msvc/msvc (Debug)	19m 50s
i686-pc-windows-msvc/msvc (Release)	12m 4s
x86_64-pc-windows-msvc/msvc (Debug)	19m 40s
x86_64-pc-windows-msvc/msvc (Release)	12m 4s
aarch64-pc-windows-msvc/msvc (Debug)	17m 42s
aarch64-pc-windows-msvc/msvc (Release)	15m 47s
x86_64-apple-darwin/clang (Debug)	9m 46s
x86_64-apple-darwin/clang (Release)	10m 35s
aarch64-apple-darwin/clang (Debug)	8m 40s
aarch64-apple-darwin/clang (Release)	7m 59s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 52s
x86_64-unknown-linux-gnu/gcc (Release)	6m 9s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 51s
aarch64-unknown-linux-gnu/gcc (Release)	6m 10s
	3h 6m 47s

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