gh-118513: Fix sibling comprehensions with a name bound in one and gl… #4

Job	Run time
i686-pc-windows-msvc/msvc (Debug)	18m 16s
i686-pc-windows-msvc/msvc (Release)	22m 14s
x86_64-pc-windows-msvc/msvc (Debug)	18m 42s
x86_64-pc-windows-msvc/msvc (Release)	24m 37s
aarch64-pc-windows-msvc/msvc (Debug)	7m 51s
aarch64-pc-windows-msvc/msvc (Release)	8m 28s
x86_64-apple-darwin/clang (Debug)	12m 28s
x86_64-apple-darwin/clang (Release)	17m 42s
aarch64-apple-darwin/clang (Debug)	9m 38s
aarch64-apple-darwin/clang (Release)	17m 11s
x86_64-unknown-linux-gnu/gcc (Debug)	8m 6s
x86_64-unknown-linux-gnu/gcc (Release)	8m 58s
x86_64-unknown-linux-gnu/clang (Debug)	8m 28s
x86_64-unknown-linux-gnu/clang (Release)	8m 27s
aarch64-unknown-linux-gnu/gcc (Debug)	1h 3m 49s
aarch64-unknown-linux-gnu/gcc (Release)	46m 58s
aarch64-unknown-linux-gnu/clang (Debug)	59m 10s
aarch64-unknown-linux-gnu/clang (Release)	34m 44s
	6h 35m 47s

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