JIT

gh-151223: fix tsan data races in load global specializations #6755

Job	Run time
Interpreter (Debug)	14m 0s
aarch64-apple-darwin/clang (Debug)	14m 34s
JIT with tail calling interpreter	5m 12s
x86_64-apple-darwin/clang (Release)	32m 23s
aarch64-unknown-linux-gnu/gcc (Debug)	9m 31s
x86_64-apple-darwin/clang (Debug)	48m 46s
x86_64-pc-windows-msvc/msvc (Release)	16m 7s
aarch64-apple-darwin/clang (Release)	16m 23s
x86_64-unknown-linux-gnu/gcc (Debug)	16m 11s
aarch64-unknown-linux-gnu/gcc (Release)	7m 40s
i686-pc-windows-msvc/msvc (Debug)	29m 8s
x86_64-pc-windows-msvc/msvc (Debug)	28m 8s
aarch64-pc-windows-msvc/msvc (Release)	20m 54s
x86_64-unknown-linux-gnu/gcc (Release)	8m 54s
i686-pc-windows-msvc/msvc (Release)	16m 25s
Free-Threaded (Debug)	3m 22s
JIT without optimizations (Debug)	3m 47s
aarch64-pc-windows-msvc/msvc (Debug)	26m 48s
	5h 18m 13s

Provide feedback