JIT

GH-131798: Optimize away type(x) in the JIT when the result is known … #3627

Job	Run time
Interpreter (Debug)	9m 43s
i686-pc-windows-msvc/msvc (Debug)	22m 52s
i686-pc-windows-msvc/msvc (Release)	13m 45s
x86_64-pc-windows-msvc/msvc (Debug)	22m 29s
x86_64-pc-windows-msvc/msvc (Release)	13m 45s
aarch64-pc-windows-msvc/msvc (Debug)	24m 23s
aarch64-pc-windows-msvc/msvc (Release)	19m 8s
x86_64-apple-darwin/clang (Debug)	14m 30s
x86_64-apple-darwin/clang (Release)	10m 44s
aarch64-apple-darwin/clang (Debug)	10m 11s
aarch64-apple-darwin/clang (Release)	9m 1s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 32s
x86_64-unknown-linux-gnu/gcc (Release)	7m 26s
aarch64-unknown-linux-gnu/gcc (Debug)	6m 58s
aarch64-unknown-linux-gnu/gcc (Release)	5m 32s
	3h 20m 59s

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