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cg_fulfill_obligation: expect erased regions

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This commit is contained in:
lcnr 2022-07-06 13:26:06 +02:00
parent 4387e4b68f
commit bf183101dd
1 changed files with 0 additions and 2 deletions
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2
compiler/rustc_trait_selection/src/traits/codegen.rs
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@ -23,8 +23,6 @@ pub fn codegen_fulfill_obligation<'tcx>(
tcx: TyCtxt<'tcx>,
(param_env, trait_ref): (ty::ParamEnv<'tcx>, ty::PolyTraitRef<'tcx>),
) -> Result<&'tcx ImplSource<'tcx, ()>, CodegenObligationError> {
// 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.
debug_assert_eq!(trait_ref, tcx.normalize_erasing_regions(param_env, trait_ref));