internal: add missing where clause to projection types#121
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nbdd0121 merged 1 commit intoRust-for-Linux:mainfrom Apr 23, 2026
Merged
internal: add missing where clause to projection types#121nbdd0121 merged 1 commit intoRust-for-Linux:mainfrom
nbdd0121 merged 1 commit intoRust-for-Linux:mainfrom
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`#[pin_data]` failed to propagate the struct's `where` clause to the generated projection struct. As a result, bounds written in a `where` clause could be dropped during expansion, causing type errors when fields depended on those bounds. Fix this by adding the missing `where` clause to the generated projection struct. Link: https://rust-for-linux.zulipchat.com/#narrow/channel/561532-pin-init/topic/generic.20bounds.20and.20.60.23.5Bpin_data.5D.60/with/578381591 Reported-by: Andreas Hindborg <a.hindborg@kernel.org> Signed-off-by: Mohamad Alsadhan <mo@sdhn.cc> [ Trimmed commit message, removed feature gates in tests no longer necessary after MSRV bump. - Gary ] Signed-off-by: Gary Guo <gary@garyguo.net>
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#[pin_data]failed to propagate the struct'swhereclause to the generated projection struct. As a result, bounds written in awhereclause could be dropped during expansion, causing type errors when fields depended on those bounds.Fix this by adding the missing
whereclause to the generated projection struct.Add a regression test covering
#[pin_data]withwhere-clause bounds.Bless expand tests (only
many_generics.rs) that became outdated.Link: https://rust-for-linux.zulipchat.com/#narrow/channel/561532-pin-init/topic/generic.20bounds.20and.20.60.23.5Bpin_data.5D.60/with/578381591
Reported-by: Andreas Hindborg a.hindborg@kernel.org