diff options
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/project.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/project.rs b/compiler/rustc_trait_selection/src/traits/project.rs index 68c03e3c73e..6756b5dec23 100644 --- a/compiler/rustc_trait_selection/src/traits/project.rs +++ b/compiler/rustc_trait_selection/src/traits/project.rs @@ -1061,8 +1061,9 @@ fn assemble_candidates_from_impls<'cx, 'tcx>( // Integers and floats always have `u8` as their discriminant. | ty::Infer(ty::InferTy::IntVar(_) | ty::InferTy::FloatVar(..)) => true, - // type parameters, opaques, and unnormalized projections have pointer - // metadata if they're known (e.g. by the param_env) to be sized + // type parameters, opaques, and unnormalized projections don't have + // a known discriminant and may need to be normalized further or rely + // on param env for discriminant projections ty::Param(_) | ty::Alias(..) | ty::Bound(..) |