JIT

Explain members of Symbol type #20

Job	Run time
i686-pc-windows-msvc/msvc (Debug)	17m 47s
i686-pc-windows-msvc/msvc (Release)	21m 51s
x86_64-pc-windows-msvc/msvc (Debug)	16m 27s
x86_64-pc-windows-msvc/msvc (Release)	20m 32s
x86_64-apple-darwin/clang (Debug)	9m 30s
x86_64-apple-darwin/clang (Release)	14m 31s
aarch64-apple-darwin/clang (Debug)	8m 13s
aarch64-apple-darwin/clang (Release)	12m 55s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 20s
x86_64-unknown-linux-gnu/gcc (Release)	18m 23s
x86_64-unknown-linux-gnu/clang (Debug)	8m 28s
x86_64-unknown-linux-gnu/clang (Release)	14m 40s
aarch64-unknown-linux-gnu/gcc (Debug)	57m 1s
aarch64-unknown-linux-gnu/gcc (Release)	1h 0m 14s
aarch64-unknown-linux-gnu/clang (Debug)	51m 42s
aarch64-unknown-linux-gnu/clang (Release)	32m 21s
	6h 12m 55s

Provide feedback