change FVN hash function to the FVN-1a variant #12749
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bors
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Minor change to the FVN hashing function based on recommendation on: http://en.wikipedia.org/wiki/Fowler_Noll_Vo_hash cc @alexcrichton
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Good catch, thanks. |
flip1995
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Jun 27, 2024
…xendoo Avoid emitting `assigning_clones` when cloned data borrows from the place to clone into Fixes rust-lang#12444 Fixes rust-lang#12460 Fixes rust-lang#12749 Fixes rust-lang#12757 Fixes rust-lang#12929 I think the documentation for the function should describe what- and how this is fixing the issues well. It avoids emitting a warning when the data being cloned borrows from the place to clone into, which is information that we can get from `PossibleBorrowerMap`. Unfortunately, it is a tiny bit tedious to match on the MIR like that and I'm not sure if this is possibly relying a bit too much on the exact MIR lowering for assignments. Things left to do: - [x] Handle place projections (or verify that they work as expected) - [x] Handle non-`Drop` types changelog: [`assigning_clones`]: avoid warning when the suggestion would lead to a borrow-check error
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Minor change to the FVN hashing function based on recommendation on: http://en.wikipedia.org/wiki/Fowler_Noll_Vo_hash
cc @alexcrichton