JIT

gh-151223: fix tsan data races in load global specializations (#151393) #6771

Job	Run time
i686-pc-windows-msvc/msvc (Release)	17m 12s
JIT with tail calling interpreter	4m 36s
aarch64-apple-darwin/clang (Debug)	16m 14s
x86_64-unknown-linux-gnu/gcc (Release)	9m 4s
x86_64-pc-windows-msvc/msvc (Release)	16m 48s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 45s
x86_64-pc-windows-msvc/msvc (Debug)	28m 11s
x86_64-apple-darwin/clang (Release)	30m 4s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 34s
aarch64-unknown-linux-gnu/gcc (Release)	7m 5s
Interpreter (Debug)	13m 48s
JIT without optimizations (Debug)	3m 39s
aarch64-pc-windows-msvc/msvc (Release)	23m 6s
Free-Threaded (Debug)	3m 54s
aarch64-apple-darwin/clang (Release)	15m 41s
aarch64-pc-windows-msvc/msvc (Debug)	25m 5s
x86_64-apple-darwin/clang (Debug)	31m 58s
i686-pc-windows-msvc/msvc (Debug)	23m 35s
	4h 54m 19s

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