JIT

Silence `unused-variable` warnings in `optimizer_cases.c.h` (#148127) #5873

Job	Run time
Interpreter (Debug)	11m 6s
JIT without optimizations (Debug)	3m 16s
JIT with tail calling interpreter	4m 49s
x86_64-apple-darwin/clang (Release)	27m 59s
Free-Threaded (Debug)	3m 56s
aarch64-pc-windows-msvc/msvc (Release)	18m 46s
aarch64-apple-darwin/clang (Release)	12m 9s
x86_64-apple-darwin/clang (Debug)	1h 0m 17s
x86_64-pc-windows-msvc/msvc (Debug)	28m 40s
aarch64-apple-darwin/clang (Debug)	13m 22s
aarch64-pc-windows-msvc/msvc (Debug)	25m 16s
aarch64-unknown-linux-gnu/gcc (Release)	7m 0s
x86_64-pc-windows-msvc/msvc (Release)	15m 50s
i686-pc-windows-msvc/msvc (Debug)	28m 36s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 56s
i686-pc-windows-msvc/msvc (Release)	15m 53s
x86_64-unknown-linux-gnu/gcc (Release)	8m 48s
x86_64-unknown-linux-gnu/gcc (Debug)	14m 10s
	5h 8m 49s

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