gh-143732: Add specialization for TO_BOOL #2616

Job	Run time
x86_64-apple-darwin/clang	20m 49s
aarch64-apple-darwin/clang	8m 47s
aarch64-unknown-linux-gnu/gcc	7m 21s
x86_64-unknown-linux-gnu/gcc-free-threading	8m 31s
x86_64-unknown-linux-gnu/gcc	9m 44s
	55m 12s

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