JIT

gh-145235: Make dict watcher API thread-safe for free-threaded builds #6548

Job	Run time
Interpreter (Debug)	13m 41s
x86_64-unknown-linux-gnu/gcc (Debug)	15m 37s
x86_64-apple-darwin/clang (Debug)	43m 7s
x86_64-unknown-linux-gnu/gcc (Release)	8m 58s
x86_64-apple-darwin/clang (Release)	32m 1s
JIT with tail calling interpreter	7m 14s
JIT without optimizations (Debug)	4m 29s
aarch64-unknown-linux-gnu/gcc (Debug)	11m 20s
aarch64-apple-darwin/clang (Release)	14m 15s
i686-pc-windows-msvc/msvc (Release)	8m 24s
x86_64-pc-windows-msvc/msvc (Debug)	7m 3s
aarch64-apple-darwin/clang (Debug)	22m 46s
Free-Threaded (Debug)	4m 16s
aarch64-unknown-linux-gnu/gcc (Release)	7m 35s
i686-pc-windows-msvc/msvc (Debug)	7m 37s
aarch64-pc-windows-msvc/msvc (Release)	10m 20s
aarch64-pc-windows-msvc/msvc (Debug)	8m 7s
x86_64-pc-windows-msvc/msvc (Release)	9m 16s
	3h 56m 6s

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