JIT

gh-134584: Decref elimination for float ops in the JIT #3573

Job	Run time
Interpreter (Debug)	9m 45s
i686-pc-windows-msvc/msvc (Debug)	24m 42s
i686-pc-windows-msvc/msvc (Release)	12m 9s
x86_64-pc-windows-msvc/msvc (Debug)	22m 57s
x86_64-pc-windows-msvc/msvc (Release)	12m 27s
aarch64-pc-windows-msvc/msvc (Debug)	21m 31s
aarch64-pc-windows-msvc/msvc (Release)	20m 9s
x86_64-apple-darwin/clang (Debug)	18m 5s
x86_64-apple-darwin/clang (Release)	14m 58s
aarch64-apple-darwin/clang (Debug)	10m 58s
aarch64-apple-darwin/clang (Release)	9m 30s
x86_64-unknown-linux-gnu/gcc (Debug)	10m 42s
x86_64-unknown-linux-gnu/gcc (Release)	6m 25s
aarch64-unknown-linux-gnu/gcc (Debug)	8m 1s
aarch64-unknown-linux-gnu/gcc (Release)	5m 42s
	3h 28m 1s

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