JIT

Properly fix assert #667

Job	Run time
Interpreter (Debug)	9m 51s
x86_64-pc-windows-msvc/msvc (Release)	11m 54s
i686-pc-windows-msvc/msvc (Release)	13m 12s
x86_64-pc-windows-msvc/msvc (Debug)	19m 26s
x86_64-apple-darwin/clang (Debug)	15m 23s
aarch64-pc-windows-msvc/msvc (Release)	1h 30m 14s
x86_64-unknown-linux-gnu/gcc (Release)	6m 29s
i686-pc-windows-msvc/msvc (Debug)	21m 16s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 18s
aarch64-apple-darwin/clang (Debug)	10m 31s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 33s
aarch64-pc-windows-msvc/msvc (Debug)	22m 32s
aarch64-apple-darwin/clang (Release)	9m 51s
x86_64-apple-darwin/clang (Release)	15m 14s
aarch64-unknown-linux-gnu/gcc (Release)	5m 39s
	4h 29m 23s

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