JIT

gh-153486: Preserve negative indices in compact int subscript specializations #6978

Job	Run time
Free-Threaded (Debug)	3m 16s
Interpreter (Debug)	15m 31s
x86_64-apple-darwin/clang (Release)	54m 39s
aarch64-apple-darwin/clang (Debug)	17m 29s
x86_64-unknown-linux-gnu/gcc (Debug)	15m 38s
JIT with tail calling interpreter	3m 17s
JIT with stress testing (Debug)	3m 32s
x86_64-apple-darwin/clang (Debug)	31m 49s
aarch64-apple-darwin/clang (Release)	13m 3s
JIT without optimizations (Debug)	3m 33s
i686-pc-windows-msvc/msvc (Debug)	28m 32s
x86_64-pc-windows-msvc/msvc (Debug)	28m 5s
i686-pc-windows-msvc/msvc (Release)	16m 44s
aarch64-pc-windows-msvc/msvc (Release)	19m 54s
x86_64-unknown-linux-gnu/gcc (Release)	8m 31s
aarch64-unknown-linux-gnu/gcc (Release)	6m 28s
aarch64-pc-windows-msvc/msvc (Debug)	25m 25s
x86_64-pc-windows-msvc/msvc (Release)	15m 14s
aarch64-unknown-linux-gnu/gcc (Debug)	10m 23s
	5h 21m 3s

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