JIT

GH-128534: Fix behavior of branch monitoring for `async for` #2899

Job	Run time
Interpreter (Debug)	8m 31s
Free-Threaded (Debug) (19)	13m 29s
i686-pc-windows-msvc/msvc (Debug)	19m 0s
i686-pc-windows-msvc/msvc (Release)	11m 43s
x86_64-pc-windows-msvc/msvc (Debug)	18m 38s
x86_64-pc-windows-msvc/msvc (Release)	11m 51s
aarch64-pc-windows-msvc/msvc (Debug)	5m 32s
aarch64-pc-windows-msvc/msvc (Release)	7m 48s
x86_64-apple-darwin/clang (Debug)	12m 11s
x86_64-apple-darwin/clang (Release)	11m 24s
aarch64-apple-darwin/clang (Debug)	11m 56s
aarch64-apple-darwin/clang (Release)	11m 56s
x86_64-unknown-linux-gnu/gcc (Debug)	9m 14s
x86_64-unknown-linux-gnu/gcc (Release)	5m 56s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 36s
aarch64-unknown-linux-gnu/gcc (Release)	7m 15s
	2h 56m 0s

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