JIT

gh-143732: allow dict subclasses to be specialized #5925

Job	Run time
JIT with tail calling interpreter	4m 17s
x86_64-unknown-linux-gnu/gcc (Release)	8m 59s
Free-Threaded (Debug)	3m 52s
aarch64-unknown-linux-gnu/gcc (Release)	7m 2s
JIT without optimizations (Debug)	3m 47s
x86_64-apple-darwin/clang (Release)	32m 4s
x86_64-pc-windows-msvc/msvc (Release)	14m 52s
Interpreter (Debug)	12m 34s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 14s
x86_64-unknown-linux-gnu/gcc (Debug)	13m 22s
aarch64-pc-windows-msvc/msvc (Release)	18m 55s
aarch64-pc-windows-msvc/msvc (Debug)	25m 44s
aarch64-apple-darwin/clang (Release)	14m 36s
aarch64-apple-darwin/clang (Debug)	16m 12s
x86_64-pc-windows-msvc/msvc (Debug)	29m 25s
i686-pc-windows-msvc/msvc (Release)	15m 29s
i686-pc-windows-msvc/msvc (Debug)	29m 42s
x86_64-apple-darwin/clang (Debug)	35m 9s
	4h 55m 15s

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