diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs index 72e03ead76b0e..26cabb69d25c7 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs @@ -282,7 +282,7 @@ pub fn lower_generic_args<'tcx: 'a, 'a>( GenericParamDefKind::Const { .. }, _, ) => { - args.push(ctx.provided_kind(param, arg)); + args.push(ctx.provided_kind(&args, param, arg)); args_iter.next(); params.next(); } diff --git a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs index f073d92a1b91b..56e2a05214eaf 100644 --- a/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs +++ b/compiler/rustc_hir_analysis/src/hir_ty_lowering/mod.rs @@ -239,6 +239,7 @@ pub trait GenericArgsLowerer<'a, 'tcx> { fn provided_kind( &mut self, + preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx>; @@ -437,6 +438,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { fn provided_kind( &mut self, + preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { @@ -444,22 +446,7 @@ impl<'tcx> dyn HirTyLowerer<'tcx> + '_ { if let Err(incorrect) = self.incorrect_args { if incorrect.invalid_args.contains(&(param.index as usize)) { - // FIXME: use `param.to_error` once `provided_kind` is supplied a list of - // all previous generic args. - return match param.kind { - GenericParamDefKind::Lifetime => { - ty::Region::new_error(tcx, incorrect.reported).into() - } - GenericParamDefKind::Type { .. } => { - Ty::new_error(tcx, incorrect.reported).into() - } - GenericParamDefKind::Const { .. } => ty::Const::new_error( - tcx, - incorrect.reported, - Ty::new_error(tcx, incorrect.reported), - ) - .into(), - }; + return param.to_error(tcx, preceding_args); } } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index 5edbf584b2e24..58eb0c2817987 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -1275,6 +1275,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { fn provided_kind( &mut self, + _preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> { diff --git a/compiler/rustc_hir_typeck/src/method/confirm.rs b/compiler/rustc_hir_typeck/src/method/confirm.rs index cde5c71966cd4..0825e66137303 100644 --- a/compiler/rustc_hir_typeck/src/method/confirm.rs +++ b/compiler/rustc_hir_typeck/src/method/confirm.rs @@ -383,6 +383,7 @@ impl<'a, 'tcx> ConfirmContext<'a, 'tcx> { fn provided_kind( &mut self, + _preceding_args: &[ty::GenericArg<'tcx>], param: &ty::GenericParamDef, arg: &GenericArg<'tcx>, ) -> ty::GenericArg<'tcx> {