JIT

gh-137838: Fix JIT trace buffer overrun by pre-reserving exit stub space #3930

Job	Run time
Interpreter (Debug)	10m 0s
i686-pc-windows-msvc/msvc (Release)	10m 39s
i686-pc-windows-msvc/msvc (Debug)	21m 27s
x86_64-pc-windows-msvc/msvc (Debug)	19m 37s
aarch64-pc-windows-msvc/msvc (Debug)	22m 24s
x86_64-pc-windows-msvc/msvc (Release)	10m 49s
aarch64-unknown-linux-gnu/gcc (Debug)	6m 58s
x86_64-unknown-linux-gnu/gcc (Debug)	11m 15s
x86_64-unknown-linux-gnu/gcc (Release)	7m 42s
aarch64-pc-windows-msvc/msvc (Release)	15m 34s
x86_64-apple-darwin/clang (Release)	13m 4s
aarch64-apple-darwin/clang (Release)	10m 37s
aarch64-apple-darwin/clang (Debug)	10m 14s
x86_64-apple-darwin/clang (Debug)	15m 55s
aarch64-unknown-linux-gnu/gcc (Release)	5m 31s
	3h 11m 46s

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