JIT

gh-134584: Decref elimination for float ops in the JIT #3592

Job	Run time
Interpreter (Debug)	9m 58s
i686-pc-windows-msvc/msvc (Debug)	20m 44s
i686-pc-windows-msvc/msvc (Release)	12m 18s
x86_64-pc-windows-msvc/msvc (Debug)	20m 32s
x86_64-pc-windows-msvc/msvc (Release)	13m 25s
aarch64-pc-windows-msvc/msvc (Debug)	22m 54s
aarch64-pc-windows-msvc/msvc (Release)	18m 30s
x86_64-apple-darwin/clang (Debug)	15m 9s
x86_64-apple-darwin/clang (Release)	10m 52s
aarch64-apple-darwin/clang (Debug)	11m 9s
aarch64-apple-darwin/clang (Release)	9m 20s
x86_64-unknown-linux-gnu/gcc (Debug)	12m 44s
x86_64-unknown-linux-gnu/gcc (Release)	7m 24s
aarch64-unknown-linux-gnu/gcc (Debug)	7m 30s
aarch64-unknown-linux-gnu/gcc (Release)	6m 21s
	3h 18m 50s

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