JIT

gh-142889: Improve layout of dictionary keys #6703

Job	Run time
Interpreter (Debug)	1m 6s
x86_64-apple-darwin/clang (Debug)	7m 58s
Free-Threaded (Debug)	1m 15s
aarch64-unknown-linux-gnu/gcc (Debug)	1m 53s
x86_64-apple-darwin/clang (Release)	8m 3s
x86_64-unknown-linux-gnu/gcc (Release)	1m 19s
JIT with tail calling interpreter	4m 47s
x86_64-unknown-linux-gnu/gcc (Debug)	1m 9s
aarch64-unknown-linux-gnu/gcc (Release)	2m 8s
aarch64-apple-darwin/clang (Debug)	8m 3s
JIT without optimizations (Debug)	1m 18s
aarch64-apple-darwin/clang (Release)	8m 2s
aarch64-pc-windows-msvc/msvc (Debug)	7m 50s
i686-pc-windows-msvc/msvc (Release)	7m 50s
aarch64-pc-windows-msvc/msvc (Release)	7m 49s
x86_64-pc-windows-msvc/msvc (Release)	7m 49s
i686-pc-windows-msvc/msvc (Debug)	7m 52s
x86_64-pc-windows-msvc/msvc (Debug)	7m 51s
	1h 34m 2s

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