JIT

Fix whatsnew #103

Job	Run time
i686-pc-windows-msvc/msvc (Debug)	18m 17s
i686-pc-windows-msvc/msvc (Release)	21m 42s
x86_64-pc-windows-msvc/msvc (Debug)	18m 49s
x86_64-pc-windows-msvc/msvc (Release)	23m 21s
aarch64-pc-windows-msvc/msvc (Debug)	5m 26s
aarch64-pc-windows-msvc/msvc (Release)	6m 31s
x86_64-apple-darwin/clang (Debug)	18m 42s
x86_64-apple-darwin/clang (Release)	17m 30s
aarch64-apple-darwin/clang (Debug)	8m 53s
aarch64-apple-darwin/clang (Release)	12m 46s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 52s
x86_64-unknown-linux-gnu/gcc (Release)	9m 2s
x86_64-unknown-linux-gnu/clang (Debug)	7m 55s
x86_64-unknown-linux-gnu/clang (Release)	8m 21s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 13m 38s
aarch64-unknown-linux-gnu/gcc (Release)	52m 14s
aarch64-unknown-linux-gnu/clang (Debug)	1h 4m 47s
aarch64-unknown-linux-gnu/clang (Release)	35m 6s
	6h 50m 52s

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