JIT

gh-151289: specialize shrinking int subtraction #6984

Job	Run time
JIT with stress testing (Debug)	4m 17s
x86_64-apple-darwin/clang (Debug)	13m 50s
Interpreter (Debug)	13m 46s
JIT without optimizations (Debug)	2m 36s
JIT with tail calling interpreter	2m 52s
Free-Threaded (Debug)	4m 11s
aarch64-apple-darwin/clang (Debug)	13m 47s
x86_64-apple-darwin/clang (Release)	13m 57s
aarch64-apple-darwin/clang (Release)	13m 48s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 4s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 46s
x86_64-unknown-linux-gnu/gcc (Release)	9m 37s
aarch64-unknown-linux-gnu/gcc (Release)	6m 40s
aarch64-pc-windows-msvc/msvc (Debug)	13m 41s
i686-pc-windows-msvc/msvc (Release)	13m 37s
aarch64-pc-windows-msvc/msvc (Release)	13m 37s
x86_64-pc-windows-msvc/msvc (Release)	13m 36s
i686-pc-windows-msvc/msvc (Debug)	13m 39s
x86_64-pc-windows-msvc/msvc (Debug)	13m 36s
	3h 23m 57s

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