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Disallow reinterpreting a non-singleton array into a singleton type #45370

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merged 1 commit into from May 24, 2022
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Disallow reinterpreting a non-singleton array into a singleton type #45370

merged 1 commit into from May 24, 2022

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Liozou
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@Liozou Liozou commented May 19, 2022

Fix the issue reported by @Seelengrab at #43500 (comment).
I agree with the argument and the solution proposed there, which is implemented here.

As mentioned in the comment, if this fix is accepted, it should be backported to 1.8 too.

@johnnychen94 johnnychen94 added arrays [a, r, r, a, y, s] bugfix This change fixes an existing bug backport 1.8 Change should be backported to release-1.8 labels May 19, 2022
@KristofferC KristofferC mentioned this pull request May 23, 2022
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Liozou commented May 23, 2022

CI failures seem unrelated.
For context, what this PR does is restoring the error-throwing behavior pre-1.8 for the particular case of reinterpret(::SingletonType, ::NonSingletonArray), except that the error is a pretty ArgumentError explaining what's happening instead of a DivideError.

@KristofferC KristofferC merged commit fc52b3f into JuliaLang:master May 24, 2022
@Liozou Liozou deleted the disallowreinterpretsingletonfromnot branch May 24, 2022 16:41
KristofferC pushed a commit that referenced this pull request May 26, 2022
@Liozou @KristofferC
Disallow reinterpreting a non-singleton array into a singleton type (#…
5892697 
…45370)

(cherry picked from commit fc52b3f)
@KristofferC KristofferC mentioned this pull request May 26, 2022
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KristofferC added a commit that referenced this pull request May 27, 2022
@KristofferC @Liozou
Disallow reinterpreting a non-singleton array into a singleton type (#…
9a8ddd0 
…45370) (#45467)

(cherry picked from commit fc52b3f)

Co-authored-by: Lionel Zoubritzky <Liozou@users.noreply.github.com>
@KristofferC KristofferC removed the backport 1.8 Change should be backported to release-1.8 label May 28, 2022
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