core: clarify MaybeUninit::assume_init UB for uninitialized integers#153253
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laddery-a wants to merge 2 commits intorust-lang:mainfrom
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core: clarify MaybeUninit::assume_init UB for uninitialized integers#153253laddery-a wants to merge 2 commits intorust-lang:mainfrom
laddery-a wants to merge 2 commits intorust-lang:mainfrom
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Fixes #150689.
This clarifies in the
MaybeUninit::assume_initsafety docs that callingassume_initon uninitialized memory is immediate UB even whenTis an integer / POD type, and adds a small incorrect-usage example usingu8.