JIT

gh-143732: allow dict subclasses to be specialized #5871

Job	Run time
Free-Threaded (Debug)	4m 3s
JIT with tail calling interpreter	4m 47s
JIT without optimizations (Debug)	3m 50s
Interpreter (Debug)	12m 1s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 19s
x86_64-apple-darwin/clang (Debug)	39m 49s
x86_64-pc-windows-msvc/msvc (Debug)	27m 44s
aarch64-apple-darwin/clang (Debug)	13m 3s
i686-pc-windows-msvc/msvc (Debug)	28m 16s
x86_64-unknown-linux-gnu/gcc (Release)	9m 10s
aarch64-pc-windows-msvc/msvc (Release)	17m 46s
aarch64-apple-darwin/clang (Release)	11m 33s
aarch64-pc-windows-msvc/msvc (Debug)	24m 40s
i686-pc-windows-msvc/msvc (Release)	15m 41s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 0s
x86_64-pc-windows-msvc/msvc (Release)	15m 25s
x86_64-apple-darwin/clang (Release)	40m 57s
aarch64-unknown-linux-gnu/gcc (Release)	7m 4s
	4h 57m 8s

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