JIT

gh-143732: allow dict subclasses to be specialized #5872

Job	Run time
JIT without optimizations (Debug)	3m 42s
Interpreter (Debug)	12m 9s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 43s
JIT with tail calling interpreter	4m 41s
Free-Threaded (Debug)	3m 55s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 4s
aarch64-pc-windows-msvc/msvc (Debug)	26m 16s
x86_64-apple-darwin/clang (Release)	58m 2s
x86_64-pc-windows-msvc/msvc (Debug)	29m 50s
x86_64-unknown-linux-gnu/gcc (Release)	8m 57s
x86_64-pc-windows-msvc/msvc (Release)	15m 14s
aarch64-apple-darwin/clang (Debug)	12m 47s
x86_64-apple-darwin/clang (Debug)	56m 2s
i686-pc-windows-msvc/msvc (Debug)	28m 38s
aarch64-pc-windows-msvc/msvc (Release)	18m 44s
aarch64-unknown-linux-gnu/gcc (Release)	7m 0s
aarch64-apple-darwin/clang (Release)	11m 28s
i686-pc-windows-msvc/msvc (Release)	15m 19s
	5h 35m 31s

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