JIT

gh-131798: JIT: Narrow the return type of `isinstance` for some known arguments #3461

Job	Run time
Interpreter (Debug)	9m 56s
Interpreter (Debug)	9m 56s
i686-pc-windows-msvc/msvc (Debug)	4m 58s
i686-pc-windows-msvc/msvc (Debug)	5m 17s
i686-pc-windows-msvc/msvc (Release)	4m 24s
i686-pc-windows-msvc/msvc (Release)	1m 45s
x86_64-pc-windows-msvc/msvc (Debug)	2m 48s
x86_64-pc-windows-msvc/msvc (Debug)	2m 12s
x86_64-pc-windows-msvc/msvc (Release)	4m 34s
x86_64-pc-windows-msvc/msvc (Release)	4m 36s
aarch64-pc-windows-msvc/msvc (Debug)	5m 5s
aarch64-pc-windows-msvc/msvc (Debug)	5m 15s
aarch64-pc-windows-msvc/msvc (Release)	5m 25s
aarch64-pc-windows-msvc/msvc (Release)	5m 26s
x86_64-apple-darwin/clang (Debug)	14m 54s
x86_64-apple-darwin/clang (Debug)	11m 58s
x86_64-apple-darwin/clang (Release)	12m 2s
x86_64-apple-darwin/clang (Release)	11m 10s
aarch64-apple-darwin/clang (Debug)	11m 1s
aarch64-apple-darwin/clang (Debug)	11m 2s
aarch64-apple-darwin/clang (Release)	9m 14s
aarch64-apple-darwin/clang (Release)	11m 20s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 33s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 33s
x86_64-unknown-linux-gnu/gcc (Release)	7m 15s
x86_64-unknown-linux-gnu/gcc (Release)	7m 15s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 32s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 32s
aarch64-unknown-linux-gnu/gcc (Release)	5m 56s
aarch64-unknown-linux-gnu/gcc (Release)	5m 56s
	3h 48m 50s

Provide feedback