gh-117783: Immortalize objects that use deferred reference counting #69

Job	Run time
i686-pc-windows-msvc/msvc (Debug)	18m 1s
i686-pc-windows-msvc/msvc (Release)	21m 32s
x86_64-pc-windows-msvc/msvc (Debug)	16m 32s
x86_64-pc-windows-msvc/msvc (Release)	21m 43s
aarch64-pc-windows-msvc/msvc (Debug)	4m 47s
aarch64-pc-windows-msvc/msvc (Release)	5m 43s
x86_64-apple-darwin/clang (Debug)	10m 41s
x86_64-apple-darwin/clang (Release)	8m 1s
aarch64-apple-darwin/clang (Debug)	8m 24s
aarch64-apple-darwin/clang (Release)	3m 49s
x86_64-unknown-linux-gnu/gcc (Debug)	7m 36s
x86_64-unknown-linux-gnu/gcc (Release)	10m 34s
x86_64-unknown-linux-gnu/clang (Debug)	7m 37s
x86_64-unknown-linux-gnu/clang (Release)	5m 30s
aarch64-unknown-linux-gnu/gcc (Debug)	59m 27s
aarch64-unknown-linux-gnu/gcc (Release)	21m 45s
aarch64-unknown-linux-gnu/clang (Debug)	54m 18s
aarch64-unknown-linux-gnu/clang (Release)	5m 25s
	4h 51m 25s

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