bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Ensure that queries only return Copy types.

Browse source
This commit is contained in:
Camille GILLOT 2022-01-31 19:55:34 +01:00
parent bf242bb119
commit 6c2ee885e6
31 changed files with 141 additions and 96 deletions
Download patch file Download diff file Expand all files Collapse all files

4
compiler/rustc_trait_selection/src/traits/codegen.rs
View file

@ -22,7 +22,7 @@ use rustc_middle::ty::{self, TyCtxt};
pub fn codegen_fulfill_obligation<'tcx>(
tcx: TyCtxt<'tcx>,
(param_env, trait_ref): (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>),
) -> Result<ImplSource<'tcx, ()>, ErrorReported> {
) -> Result<&'tcx ImplSource<'tcx, ()>, ErrorReported> {
// Remove any references to regions; this helps improve caching.
let trait_ref = tcx.erase_regions(trait_ref);
// We expect the input to be fully normalized.
@ -96,7 +96,7 @@ pub fn codegen_fulfill_obligation<'tcx>(
drop(infcx.inner.borrow_mut().opaque_type_storage.take_opaque_types());
debug!("Cache miss: {:?} => {:?}", trait_ref, impl_source);
Ok(impl_source)
Ok(&*tcx.arena.alloc(impl_source))
})
}