JIT

gh-131998: Fix `NULL` dereference when using an unbound method descri… #3127

Job	Run time
Interpreter (Debug)	9m 0s
i686-pc-windows-msvc/msvc (Debug)	20m 38s
Free-Threaded (Debug) (19)	15m 16s
i686-pc-windows-msvc/msvc (Release)	11m 24s
x86_64-pc-windows-msvc/msvc (Debug)	19m 21s
x86_64-pc-windows-msvc/msvc (Release)	11m 49s
aarch64-pc-windows-msvc/msvc (Debug)	16m 4s
aarch64-pc-windows-msvc/msvc (Release)	15m 40s
x86_64-apple-darwin/clang (Debug)	17m 10s
x86_64-apple-darwin/clang (Release)	10m 28s
aarch64-apple-darwin/clang (Debug)	8m 44s
aarch64-apple-darwin/clang (Release)	10m 4s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 20s
x86_64-unknown-linux-gnu/gcc (Release)	13m 9s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 34s
aarch64-unknown-linux-gnu/gcc (Release)	5m 53s
	3h 24m 34s

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